October 26, 2025Oct 26 When tested if this Node version would work on Vista, I got this: The procedure entry point EventSetInformation could not be located in the dynamic link library ADVAPI32.dll
October 27, 2025Oct 27 Breaking news: https://github.com/yt-dlp/yt-dlp/issues/14404#issue-3444474002 Quote 6. What about QuickJS? Edit: It will be supported. 10. What is the minimum required version of Node/Bun/QuickJS? QuickJS: 2023-12-9 QuickJS version 2025-09-13 or later is strongly recommended for performance reasons https://bellard.org/quickjs/binary_releases/?C=M;O=D For my Vista SP2 32-bit laptop: https://bellard.org/quickjs/binary_releases/quickjs-win-i686-2025-09-13.zip ... and: qjs -h QuickJS version 2025-09-13 usage: qjs [options] [file [args]] -h --help list options -e --eval EXPR evaluate EXPR -i --interactive go to interactive mode -m --module load as ES6 module (default=autodetect) --script load as ES6 script (default=autodetect) -I --include file include an additional file --std make 'std' and 'os' available to the loaded script -T --trace trace memory allocation -d --dump dump the memory usage stats --memory-limit n limit the memory usage to 'n' bytes (SI suffixes allowed) --stack-size n limit the stack size to 'n' bytes (SI suffixes allowed) --no-unhandled-rejection ignore unhandled promise rejections -s strip all the debug info --strip-source strip the source code -q --quit just instantiate the interpreter and quit Though, this might still mean nothing, as I haven't gotten around to actually trying https://github.com/yt-dlp/yt-dlp/pull/14157 on this machine... Wiki (WIP): https://github.com/coletdjnz/yt-dlp-wiki-dev/blob/ejs/EJS.md
October 27, 2025Oct 27 6 hours ago, nicolaasjan said: When tested if this Node version would work on Vista, I got this: The procedure entry point EventSetInformation could not be located in the dynamic link library ADVAPI32.dll Most sadly, this is only part of the story ; probing the v20.19.2 (32-bit) binary (a whooping 61.3 MiB in filesize) with DependencyWalker, I found a total of six (6) Vista-incompatible function calls: in advapi32.dll: EventSetInformation in kernel32.dll: K32GetModuleBaseNameW K32GetProcessMemoryInfo ResolveLocaleName TryAcquireSRWLockExclusive TryAcquireSRWLockShared The first one can also be a thing on a partially updated Win7 SP1 install (see this); thank you for already raising a Vista-support issue with Vladimir ...
October 27, 2025Oct 27 7 hours ago, nicolaasjan said: Test binary here 1. This one does launch OK under Vista SP2 32-bit . 8 hours ago, nicolaasjan said: Added to the config file: --remote-components ejs:github --js-runtimes node --remote-components ejs:npm 2. Instead of the cmdline flag/config setting "--remote-components ejs:github" you could've built the PyInstaller binary with the EJS components bundled, as will upstream do : https://github.com/coletdjnz/yt-dlp-wiki-dev/blob/ejs/EJS.md#step-2-install-ejs-challenge-solver-scripts Quote Official PyInstaller-bundled executable -> No additional action required. All the necessary JavaScript components will be bundled with these executables. You can install them via PyPI prior to PyInst compilation: python -m pip install -U yt-dlp-ejs and, hopefully, they'll be integrated into the produced executable, just like the rest of the default Python modules... 3. " --remote-components ejs:npm" applies ONLY to deno/bun, NOT to node used on Win7 : https://github.com/coletdjnz/yt-dlp-wiki-dev/blob/ejs/EJS.md#option-2-enable-ejs-script-downloads-from-npm 4. At the time the binary was compiled, quickjs support hadn't yet arrived, thus: yt-dlp_x86 --ies youtube -vF "yrcIdXBwVww" --remote-components ejs:github --js-runtimes quickjs => ... WARNING: Ignoring unsupported JavaScript runtime(s): quickjs. Supported runtimes: deno, node, bun. ... [debug] [youtube] [jsc] JS Challenge Providers: bun (unavailable), deno (unavailable), node (unavailable) ... [info] Available formats for yrcIdXBwVww: ID EXT RESOLUTION FPS | FILESIZE TBR PROTO | VCODEC ACODEC MORE INFO ----------------------------------------------------------------------------------- sb3 mhtml 48x27 0 | mhtml | images storyboard sb2 mhtml 80x45 1 | mhtml | images storyboard sb1 mhtml 160x90 1 | mhtml | images storyboard sb0 mhtml 320x180 1 | mhtml | images storyboard 91 mp4 256x144 30 | ~ 3.43MiB 123k m3u8 | avc1.4D400C mp4a.40.5 WEB-S 92 mp4 426x240 30 | ~ 5.41MiB 195k m3u8 | avc1.4D4015 mp4a.40.5 WEB-S 93 mp4 640x360 30 | ~11.03MiB 397k m3u8 | avc1.4D401E mp4a.40.2 WEB-S 94 mp4 854x480 30 | ~20.21MiB 728k m3u8 | avc1.4D401F mp4a.40.2 WEB-S 95 mp4 1280x720 30 | ~41.07MiB 1479k m3u8 | avc1.64001F mp4a.40.2 WEB-S 96 mp4 1920x1080 30 | ~81.20MiB 2923k m3u8 | avc1.640028 mp4a.40.2 WEB-S Best regards.
October 27, 2025Oct 27 15 hours ago, VistaLover said: I'm seeing archive "libfdk-aac-v2.0.3-158-gd8e6b1a-x86.7z" intended for Win7SP1_x86; this one affords a DLL much larger (2.10 MiB) than the DLL extracted from archive "libfdk-aac-2.0.3-158-d8e6b1a-win32-xpmod-P4.7z" (1.33 MiB) Either libfdk-aac library should work fine on Vista. The Windows 7 version was compiled with GCC 15 but it looks like I neglected to strip the file so it is larger than it needs to be. I will link a corrected file next time. Thanks for bringing that to my attention. Edited October 27, 2025Oct 27 by autodidact
October 27, 2025Oct 27 6 hours ago, VistaLover said: Instead of the cmdline flag/config setting "--remote-components ejs:github" you could've built the PyInstaller binary with the EJS components bundled, as will upstream do : https://github.com/coletdjnz/yt-dlp-wiki-dev/blob/ejs/EJS.md#step-2-install-ejs-challenge-solver-scripts You're right. I should have read the Wiki first. Here is an updated build with quickjs support and EJS bundled. However, quickjs isn't that quick... It took 28 minutes to figure out `yt-dlp -F URL` (in the meantime using a lot of memory and CPU).
October 27, 2025Oct 27 5 hours ago, autodidact said: but it looks like I neglected to strip the file so it is larger than it needs to be. ... Indeed ; I still keep an old (2018) version of MABS on an external disk, I used that to "strip" the DLL, $ cd ~ $ strip "libfdk-aac-2.dll" and filesize was reduced from 2.11 MiB to 1.73 MiB (but still larger than the 1.34 MiB of the "xpmod-P4" variety ) ...
October 27, 2025Oct 27 6 hours ago, nicolaasjan said: It took 28 minutes to figure out `yt-dlp -F URL` (in the meantime using a lot of memory and CPU). My bad. I took the wrong one. Go here. Now it took 9 seconds to calculate. 😀️ Edited October 27, 2025Oct 27 by nicolaasjan
October 27, 2025Oct 27 Here is a test binary of yt-dlp for Windows XP: https://dl.dropboxusercontent.com/scl/fi/nltccona7wcnn3otd2ek2/yt-dlp_XP_test.7z?rlkey=8t2m3esh9hy671bkp1wg0xq6a Install Quickjs in your PATH and add `--js-runtimes quickjs` to your config.
October 27, 2025Oct 27 7 hours ago, nicolaasjan said: However, quickjs isn't that quick... It took 28 minutes to figure out `yt-dlp -F URL` (in the meantime using a lot of memory and CPU). 1 hour ago, nicolaasjan said: My bad . I took the wrong one. Go here. Now it took 9 seconds to calculate. 😀️ I had just completed my initial testing of your latest build on this old and under-resourced Vista SP2 32-bit laptop and, thankfully , I couldn't possibly reproduce your initial miserable qjs execution times ; FTR, this machine has a (2007-era) Intel Core2Duo T5250@1.50GHz CPU and 3GiB of DDR2 RAM; I used my stopwatch to time below yt-dlp command: yt-dlp_x86 --ies youtube --js-runtimes quickjs -vF "yrcIdXBwVww" and it actually took just 43s from when I clicked ENTER to full completion: [debug] Command-line config: ['--ies', 'youtube', '-vF', 'yrcIdXBwVww', '--js-runtimes', 'quickjs'] [debug] Encodings: locale cp1253, fs utf-8, pref cp1253, out utf-8 (No VT), error utf-8 (No VT), screen utf-8 (No VT) [debug] yt-dlp version local@2025.10.27 [937b84ddb] (win_x86_exe) [debug] Python 3.14.0 (CPython x86 32bit) - Windows-Vista-6.0.6003-SP2 (OpenSSL 3.0.18 30 Sep 2025) [debug] exe versions: none [debug] Optional libraries: Cryptodome-3.23.0, brotli-1.1.0, certifi-2025.10.05, mutagen-1.47.0, requests-2.32.5, sqlite3-3.50.4, urllib3-2.5.0, websockets-15.0.1, yt_dlp_ejs-0.2.1 [debug] JS runtimes: quickjs-2025-09-13 [debug] Proxy map: {} [debug] Request Handlers: urllib, requests, websockets [debug] Plugin directories: none [debug] Loaded 1 extractors [debug] [youtube] [pot] PO Token Providers: none [debug] [youtube] [pot] PO Token Cache Providers: memory [debug] [youtube] [pot] PO Token Cache Spec Providers: webpo [debug] [youtube] [jsc] JS Challenge Providers: bun (unavailable), deno (unavailable), node (unavailable), quickjs [youtube] Extracting URL: yrcIdXBwVww [youtube] yrcIdXBwVww: Downloading webpage [youtube] yrcIdXBwVww: Downloading tv client config [youtube] yrcIdXBwVww: Downloading player 25f1a420-main [debug] Saving youtube-sts.25f1a420-main to cache [youtube] yrcIdXBwVww: Downloading tv player API JSON [youtube] yrcIdXBwVww: Downloading web safari player API JSON [debug] [youtube] [jsc:quickjs] Using challenge solver lib script v0.2.1 (source: python package, variant: minified) [debug] [youtube] [jsc:quickjs] Using challenge solver core script v0.2.1 (source: python package, variant: minified) [debug] [youtube] [jsc:quickjs] Running quickjs: qjs --script 'C:\Users\<redacted>\AppData\Local\Temp\tmpp_d3itxv.js' [youtube] yrcIdXBwVww: Downloading m3u8 information [debug] Sort order given by extractor: quality, res, fps, hdr:12, source, vcodec, channels, acodec, lang, proto [debug] Formats sorted by: hasvid, ie_pref, quality, res, fps, hdr:12(7), source, vcodec, channels, acodec, lang, proto, size, br, asr, vext, aext, hasaud, id [info] Available formats for yrcIdXBwVww: ID EXT RESOLUTION FPS CH | FILESIZE TBR PROTO | VCODEC VBR ACODEC ABR ASR MORE INFO ------------------------------------------------------------------------------------------------------------------ sb3 mhtml 48x27 0 | mhtml | images storyboard sb2 mhtml 80x45 1 | mhtml | images storyboard sb1 mhtml 160x90 1 | mhtml | images storyboard sb0 mhtml 320x180 1 | mhtml | images storyboard 140 m4a audio only 2 | 3.60MiB 129k https | audio only mp4a.40.2 129k 44k medium, TV, m4a_dash 251 webm audio only 2 | 103.22KiB 4k https | audio only opus 4k 48k medium, TV, webm_dash 91 mp4 256x144 30 | ~ 3.43MiB 123k m3u8 | avc1.4D400C mp4a.40.5 WEB-S 160 mp4 256x144 30 | 801.69KiB 28k https | avc1.4d400c 28k video only 144p, TV, mp4_dash 278 webm 256x144 30 | 806.96KiB 28k https | vp9 28k video only 144p, TV, webm_dash 92 mp4 426x240 30 | ~ 5.41MiB 195k m3u8 | avc1.4D4015 mp4a.40.5 WEB-S 133 mp4 426x240 30 | 1.47MiB 53k https | avc1.4d4015 53k video only 240p, TV, mp4_dash 242 webm 426x240 30 | 1.22MiB 44k https | vp9 44k video only 240p, TV, webm_dash 93 mp4 640x360 30 | ~ 11.03MiB 397k m3u8 | avc1.4D401E mp4a.40.2 WEB-S 134 mp4 640x360 30 | 2.83MiB 102k https | avc1.4d401e 102k video only 360p, TV, mp4_dash 18 mp4 640x360 30 2 | 4.15MiB 149k https | avc1.42001E mp4a.40.2 22k 360p, TV 243 webm 640x360 30 | 2.36MiB 85k https | vp9 85k video only 360p, TV, webm_dash 94 mp4 854x480 30 | ~ 20.21MiB 728k m3u8 | avc1.4D401F mp4a.40.2 WEB-S 135 mp4 854x480 30 | 4.91MiB 177k https | avc1.4d401f 177k video only 480p, TV, mp4_dash 244 webm 854x480 30 | 4.22MiB 152k https | vp9 152k video only 480p, TV, webm_dash 95 mp4 1280x720 30 | ~ 41.07MiB 1479k m3u8 | avc1.64001F mp4a.40.2 WEB-S 136 mp4 1280x720 30 | 10.33MiB 372k https | avc1.64001f 372k video only 720p, TV, mp4_dash 247 webm 1280x720 30 | 9.39MiB 338k https | vp9 338k video only 720p, TV, webm_dash 96 mp4 1920x1080 30 | ~ 81.20MiB 2923k m3u8 | avc1.640028 mp4a.40.2 WEB-S 137 mp4 1920x1080 30 | 20.18MiB 727k https | avc1.640028 727k video only 1080p, TV, mp4_dash 248 webm 1920x1080 30 | 16.53MiB 596k https | vp9 596k video only 1080p, TV, webm_dash 271 webm 2560x1440 30 | 41.46MiB 1494k https | vp9 1494k video only 1440p, TV, webm_dash Those 43s include the time the PyInst binary took to extract its content inside the %TEMP% folder of my Windows User Account ; and this was for the FIRST yt-dlp invocation, next ones took even less ; TL:DR: QuickJS is totally workable here, thanks a lot to you, to the yt-dlp devs and to a certain GitHub member (barracuda156) who actually "fought" to have QJS included as a supported external JS runtime! Below, an actual successful DL log: yt-dlp_x86 --ies youtube --js-runtimes quickjs -vf 140 "yrcIdXBwVww" [debug] Command-line config: ['--ies', 'youtube', '--js-runtimes', 'quickjs', '-vf', '140', 'yrcIdXBwVww'] [debug] Encodings: locale cp1253, fs utf-8, pref cp1253, out utf-8 (No VT), error utf-8 (No VT), screen utf-8 (No VT) [debug] yt-dlp version local@2025.10.27 [937b84ddb] (win_x86_exe) [debug] Python 3.14.0 (CPython x86 32bit) - Windows-Vista-6.0.6003-SP2 (OpenSSL 3.0.18 30 Sep 2025) [debug] exe versions: ffmpeg 5.0 (fdk,setts) [debug] Optional libraries: Cryptodome-3.23.0, brotli-1.1.0, certifi-2025.10.05, mutagen-1.47.0, requests-2.32.5, sqlite3-3.50.4, urllib3-2.5.0, websockets-15.0.1, yt_dlp_ejs-0.2.1 [debug] JS runtimes: quickjs-2025-09-13 [debug] Proxy map: {} [debug] Request Handlers: urllib, requests, websockets [debug] Plugin directories: none [debug] Loaded 1 extractors [debug] [youtube] [pot] PO Token Providers: none [debug] [youtube] [pot] PO Token Cache Providers: memory [debug] [youtube] [pot] PO Token Cache Spec Providers: webpo [debug] [youtube] [jsc] JS Challenge Providers: bun (unavailable), deno (unavailable), node (unavailable), quickjs [youtube] Extracting URL: yrcIdXBwVww [youtube] yrcIdXBwVww: Downloading webpage [youtube] yrcIdXBwVww: Downloading tv client config [debug] Loading youtube-sts.6e4dbefe-main from cache [youtube] yrcIdXBwVww: Downloading tv player API JSON [youtube] yrcIdXBwVww: Downloading web safari player API JSON [youtube] yrcIdXBwVww: Downloading player 6e4dbefe-main [debug] [youtube] [jsc:quickjs] Using challenge solver lib script v0.2.1 (source: python package, variant: minified) [debug] [youtube] [jsc:quickjs] Using challenge solver core script v0.2.1 (source: python package, variant: minified) [debug] [youtube] [jsc:quickjs] Running quickjs: qjs --script 'C:\Users\<redacted>\AppData\Local\Temp\tmp8kc1jvmr.js' [youtube] yrcIdXBwVww: Downloading m3u8 information [debug] Sort order given by extractor: quality, res, fps, hdr:12, source, vcodec, channels, acodec, lang, proto [debug] Formats sorted by: hasvid, ie_pref, quality, res, fps, hdr:12(7), source, vcodec, channels, acodec, lang, proto, size, br, asr, vext, aext, hasaud, id [info] yrcIdXBwVww: Downloading 1 format(s): 140 [debug] Invoking http downloader on "https://rr1---sn-4vguioxu-n3bz.googlevideo.com/videoplayback?expire=1761596706&ei=woD_aJTNJ_eG0u8Psu7R0AE&ip=<redacted>&id=o-ABLy9SDAL9azDltc64Qry1Wjfc2T-ukUkgAK7YIGNBjU&itag=140&source=youtube&requiressl=yes&xpc=EgVo2aDSNQ%3D%3D&met=1761575106%2C&mh=e1&mm=31%2C29&mn=sn-4vguioxu-n3bz%2Csn-nv47lnsk&ms=au%2Crdu&mv=m&mvi=1&pl=22&rms=au%2Cau&initcwndbps=1093750&bui=AdEuB5S9H_ZLOx4DhWandbVVoE2T23TniDsH9dzuJWA1A2BTXilW4PS4MvJfCH8rm5PYm_rkKk1bNbUl&vprv=1&svpuc=1&mime=audio%2Fmp4&ns=3j_zEDpH1UcvQ1PnFTnBiuoQ&rqh=1&gir=yes&clen=3769997&dur=232.896&lmt=1758938329553945&mt=1761574619&fvip=3&keepalive=yes&lmw=1&fexp=51557447%2C51565115%2C51565682%2C51580970&c=TVHTML5&sefc=1&txp=6208224&n=Uyc5Xoc53RETOw&sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cxpc%2Cbui%2Cvprv%2Csvpuc%2Cmime%2Cns%2Crqh%2Cgir%2Cclen%2Cdur%2Clmt&sig=AJfQdSswRAIgYqAE1n3WKMewWR3MOnwuPURtZm5QnMnZlMtNJQaTmV0CIDbOyrrvXFyR2m1kUheTy_ik6DIXA9UXoZzbOs1ffk3a&lsparams=met%2Cmh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Crms%2Cinitcwndbps&lsig=APaTxxMwRQIgGZIroMcG7xUvn-eLhnLxe3FP_A-zu5lRB5wrz3pjoEoCIQChTmzqkvfj8R_MXFuYDQ5u9h56fAQdFtIm902IyqUrCg%3D%3D" [debug] File locking is not supported. Proceeding without locking [download] Destination: Patching yt-dlp (silent) [yrcIdXBwVww].m4a [download] 100% of 3.60MiB in 00:00:04 at 782.66KiB/s [FixupM4a] Correcting container of "Patching yt-dlp (silent) [yrcIdXBwVww].m4a" [debug] ffmpeg command line: ffmpeg -y -loglevel repeat+info -i "file:Patching yt-dlp (silent) [yrcIdXBwVww].m4a" -map 0 -dn -ignore_unknown -c copy -f mp4 -movflags +faststart "file:Patching yt-dlp (silent) [yrcIdXBwVww].temp.m4a" 1 hour ago, nicolaasjan said: Go here. ... Which is where I pointed people to in my previous post : 15 hours ago, VistaLover said: https://bellard.org/quickjs/binary_releases/?C=M;O=D For my Vista SP2 32-bit laptop: https://bellard.org/quickjs/binary_releases/quickjs-win-i686-2025-09-13.zip 51 minutes ago, nicolaasjan said: Install Quickjs in your PATH and add `--js-runtimes quickjs` to your config. So, does the latest QJS (32-bit) launch on WinXP SP3? FWIW, I don't like adding stuff to PATH unless I can't do otherwise; placing the qjs.exe (with its DLL dependency) adjacent to the yt-dlp_x86.exe binary was all it took here ... And a slight word of caution: Of the four external JS runtimes supported by yt-dlp, QJS is the least secure one ; it has no sandbox, needs to write to the host machine's TEMP dir and is subject to some exploits related to Temp files: https://github.com/coletdjnz/yt-dlp-wiki-dev/blob/ejs/EJS.md#notes-3 Quote Both QuickJS and QuickJS-NG do not fully allow executing files from stdin, so yt-dlp will create temporary files for each EJS script execution. This can theoretically lead to time-of-check to time-of-use (TOCTOU) vulnerabilities. Myself, I'd ONLY invoke it from the cmdline when I need to use YT, not permanently enable it via a config setting; call me paranoid ... Kind regards. Edited October 27, 2025Oct 27 by VistaLover
October 27, 2025Oct 27 1 hour ago, VistaLover said: So, does the latest QJS (32-bit) launch on WinXP SP3? Yes: Microsoft Windows XP [versie 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp. C:\WINDOWS\system32>qjs -h QuickJS version 2025-09-13 usage: qjs [options] [file [args]] -h --help list options -e --eval EXPR evaluate EXPR -i --interactive go to interactive mode -m --module load as ES6 module (default=autodetect) --script load as ES6 script (default=autodetect) -I --include file include an additional file --std make 'std' and 'os' available to the loaded script -T --trace trace memory allocation -d --dump dump the memory usage stats --memory-limit n limit the memory usage to 'n' bytes (SI suffixes allowed) --stack-size n limit the stack size to 'n' bytes (SI suffixes allowed) --no-unhandled-rejection ignore unhandled promise rejections -s strip all the debug info --strip-source strip the source code -q --quit just instantiate the interpreter and quit [debug] Command-line config: ['-v'] [debug] User config "C:\Documents and Settings\Nico\Application Data\yt-dlp\config.txt": ['--rm-cache-dir', '--console-title', '--js-runtimes', 'quickjs', '--add-metadata', '--embed-thumbnail', '--convert-thumbnails', 'jpg', '--ppa', 'ffmpeg:-metadata synopsis=""', '-o', '~/Bureaublad/%(title)s.%(ext)s', '--sponsorblock-remove', 'all', '-N', '6'] [debug] Encodings: locale cp1252, fs utf-8, pref cp1252, out cp1252 (No VT), error cp1252 (No VT), screen cp1252 (No VT) [debug] yt-dlp version local@2025.10.27 [937b84ddb] (win_x86_exe) [debug] Python 3.11.4 (CPython x86 32bit) - Windows-XP-5.1.2600-SP3 (OpenSSL 3.5.2 5 Aug 2025) [debug] exe versions: ffmpeg N-121254-g635cb4543f (fdk,setts), ffprobe N-121254-g635cb4543f, phantomjs 1.9.8 [debug] Optional libraries: Cryptodome-3.23.0, brotli-1.1.0, certifi-2025.10.05, mutagen-1.47.0, requests-2.32.5, sqlite3-3.50.4, urllib3-2.5.0, websockets-15.0.1, yt_dlp_ejs-0.2.1 [debug] JS runtimes: quickjs-2025-09-13 [debug] Proxy map: {} [debug] Request Handlers: urllib, requests, websockets [debug] Plugin directories: none [debug] Loaded 1839 extractors Removing cache dir C:\Documents and Settings\Nico/.cache\yt-dlp ... Edited October 27, 2025Oct 27 by nicolaasjan
October 27, 2025Oct 27 1 hour ago, VistaLover said: FWIW, I don't like adding stuff to PATH unless I can't do otherwise I have no issues adding things to the PATH. Everything needed goes in `C:\Bin`. So, on XP my PATH looks like this: %SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;C:\WINDOWS\system32\WindowsPowerShell\v1.0;C:\Bin;C:\Python311;C:\Python311\Scripts Edited October 27, 2025Oct 27 by nicolaasjan
October 29, 2025Oct 29 I had to downgrade to PyInstaller 5.13.2, instead of using PyInstaller 6.16.0 for XP from 3dyd... I got a nasty error when launching the `onedir` build. yt-dlp said: [PYI-1228:ERROR] Failed to load Python DLL 'C:\bin\_internal\python311.dll'. LoadLibrary: Kan opgegeven procedure niet vinden. (can't find procedure) See Issue 2.
October 29, 2025Oct 29 Or you could copy a Psapi.dll with that API (Vista/ROS/Wine/KernelEx) to the local directory. Patching might be the best option -- this is one case where dropping the "Ex" from the end actually works (same three parameters). Using a hex editor, change "QueryWorkingSetEx" to "QueryWorkingSet" by replacing the "Ex" with two nulls.
October 30, 2025Oct 30 Detailed explanation of this issue on WinXP SP3: https://github.com/3dyd/pyinstaller-builds/issues/2#issuecomment-3464525813 Excerpt form PyInst-6.0.0 documentation: https://pyinstaller.org/en/v6.0.0/CHANGES.html#incompatible-changes Quote All of onedir build’s contents except for the executable are now moved into a sub-directory (called _internal by default). sys._MEIPASS is adjusted to point to this _internal directory. The breaking implications for this are: Assumptions that os.path.dirname(sys.executable) == sys._MEIPASS will break. Code locating application resources using os.path.dirname(sys.executable) should be adjusted to use __file__ or sys._MEIPASS and any code locating the original executable using sys._MEIPASS should use sys.executable directly. Any custom post processing steps (either in the .spec file or externally) which modify the bundle will likely need adjusting to accommodate the new directory. (#7713) The psapi.dll in question (with the missing function) is the system one, while the one inside the "_internal" dir (which isn't being loaded when PyInst-6.16.0-xpmod has been used) is PSAPI.DLL, one of the four wrapper DLLs (kernelXP.dll, ntextl.dll, psapi.dll, ws2_xx.dll) that are used to backport py3.11.4 to XP ...
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