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vmware and virtualbox do virtualizations, there is no need to install intel or nvidia or whatever you want driver, only vmware's software (i forgot the name) or guest additions for virtual box; vitualization means it runs on top of your existing os, not directly on your hardware which is why the performance of a vm is way worse have you never used a vm before? the timing problem has been looked into a billion times already

Really? Have you tried it, especially Windows Vista x64 SP2 without any driver and updates (in VirtualBox and VMware), on 5th Intel Core generation or newer, using VT-x and VT-d? Try install it in both VirtualBox and VMware and then send the screenshot to me through message. I would to know and check if it's successfully entered to desktop, or black screen with or without error message, before or after the welcome screen, or even the worse one, BSOD. And don't forget to reboot the VM multiple times after installing if the first time boot has little or no problems, to verify the bug effect. The screen must be black, with or without errors, before the welcome screen, in many chances.

@win32 Hi, have you an idea about how to make VirtualBox to creat the MEMORY.DMP file , I went to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CrashControl\CrashDumpEnabled and changed the value to 1 ,but it didn't solve the problem , I need to know the new BaseAddress of the kernel32.dll with WinDbg to solve the problem .

I still got this error when starting a VirtualBox VM even after updating to the latest Extended Kernel build: Log: 9bc.ecc: Log file opened: 6.1.16r140961 g_hStartupLog=0000000000000010 g_uNtVerCombined=0x60177000 9bc.ecc: \SystemRoot\System32\ntdll.dll: 9bc.ecc: CreationTime: 2006-11-02T09:02:27.219211800Z 9bc.ecc: LastWriteTime: 2021-10-08T00:46:32.350008600Z 9bc.ecc: ChangeTime: 2021-11-03T04:12:32.932522000Z 9bc.ecc: FileAttributes: 0x20 9bc.ecc: Size: 0x1f03e0 9bc.ecc: NT Headers: 0xe8 9bc.ecc: Timestamp: 0x56ec4641 9bc.ecc: Machine: 0x8664 - amd64 9bc.ecc: Timestamp: 0x56ec4641 9bc.ecc: Image Version: 6.0 9bc.ecc: SizeOfImage: 0x1f7000 (2060288) 9bc.ecc: Resource Dir: 0x133000 LB 0x52be0 9bc.ecc: [Version info resource found at 0xd8! (ID/Name: 0x1; SubID/SubName: 0x409)] 9bc.ecc: [Raw version resource data: 0x1330f0 LB 0x380, codepage 0x0 (reserved 0x0)] 9bc.ecc: ProductName: Microsoft® Windows® Operating System 9bc.ecc: ProductVersion: 6.0.6002.19623 9bc.ecc: FileVersion: 6.0.6002.19623 (vistasp2_gdr.160318-0620) 9bc.ecc: FileDescription: NT Layer DLL 9bc.ecc: \SystemRoot\System32\kernel32.dll: 9bc.ecc: CreationTime: 2006-11-02T09:07:04.979503700Z 9bc.ecc: LastWriteTime: 2021-10-05T18:32:51.119581300Z 9bc.ecc: ChangeTime: 2021-11-03T04:12:32.870121600Z 9bc.ecc: FileAttributes: 0x20 9bc.ecc: Size: 0x16a200 9bc.ecc: NT Headers: 0xf0 9bc.ecc: Timestamp: 0x56ec4631 9bc.ecc: Machine: 0x8664 - amd64 9bc.ecc: Timestamp: 0x56ec4631 9bc.ecc: Image Version: 6.0 9bc.ecc: SizeOfImage: 0x171000 (1511424) 9bc.ecc: Resource Dir: 0x126000 LB 0x528 9bc.ecc: [Version info resource found at 0x90! (ID/Name: 0x1; SubID/SubName: 0x409)] 9bc.ecc: [Raw version resource data: 0x1260b0 LB 0x3a4, codepage 0x0 (reserved 0x0)] 9bc.ecc: ProductName: Microsoft® Windows® Operating System 9bc.ecc: ProductVersion: 6.0.6002.19623 9bc.ecc: FileVersion: 6.0.6002.19623 (vistasp2_gdr.160318-0620) 9bc.ecc: FileDescription: Windows NT BASE API Client DLL 9bc.ecc: supR3HardenedWinFindAdversaries: 0x0 9bc.ecc: supR3HardenedWinInitAppBin(0x0): '\Device\HarddiskVolume3\Program Files\Oracle\VirtualBox' 9bc.ecc: Calling main() 9bc.ecc: SUPR3HardenedMain: pszProgName=VirtualBoxVM fFlags=0x2 9bc.ecc: supR3HardenedWinInitAppBin(0x2): '\Device\HarddiskVolume3\Program Files\Oracle\VirtualBox' 9bc.ecc: SUPR3HardenedMain: Respawn #1 9bc.ecc: System32: \Device\HarddiskVolume3\Windows\System32 9bc.ecc: WinSxS: \Device\HarddiskVolume3\Windows\winsxs 9bc.ecc: KnownDllPath: C:\Windows\system32 9bc.ecc: supR3HardenedWinInit: Performing a limited self purification... 9bc.ecc: supHardNtVpScanVirtualMemory: enmKind=SELF_PURIFICATION 9bc.ecc: *0000000000000000-000000000000ffff 0x0001/0x0000 0x0000000 9bc.ecc: *0000000000010000-000000000001ffff 0x0004/0x0004 0x0040000 9bc.ecc: 0000000000020000-000000000002ffff 0x0001/0x0000 0x0000000 9bc.ecc: *0000000000030000-0000000000033fff 0x0002/0x0002 0x0040000 9bc.ecc: 0000000000034000-000000000012ffff 0x0001/0x0000 0x0000000 9bc.ecc: *0000000000130000-00000000001e9fff 0x0000/0x0004 0x0020000 9bc.ecc: 00000000001ea000-00000000001ebfff 0x0104/0x0004 0x0020000 9bc.ecc: 00000000001ec000-000000000022ffff 0x0004/0x0004 0x0020000 9bc.ecc: 0000000000230000-000000000026ffff 0x0001/0x0000 0x0000000 9bc.ecc: *0000000000270000-0000000000273fff 0x0004/0x0004 0x0020000 9bc.ecc: 0000000000274000-000000000036ffff 0x0000/0x0004 0x0020000 9bc.ecc: *0000000000370000-00000000006edfff 0x0002/0x0002 0x0040000 9bc.ecc: 00000000006ee000-00000000008affff 0x0001/0x0000 0x0000000 9bc.ecc: *00000000008b0000-0000000000913fff 0x0004/0x0004 0x0020000 9bc.ecc: 0000000000914000-000000000092ffff 0x0000/0x0004 0x0020000 9bc.ecc: *0000000000930000-0000000000b27fff 0x0004/0x0004 0x0020000 9bc.ecc: 0000000000b28000-0000000076f6ffff 0x0001/0x0000 0x0000000 9bc.ecc: *0000000076f70000-0000000076f70fff 0x0002/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\kernel32.dll 9bc.ecc: 0000000076f71000-000000007702dfff 0x0020/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\kernel32.dll 9bc.ecc: 000000007702e000-0000000077085fff 0x0002/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\kernel32.dll 9bc.ecc: 0000000077086000-0000000077089fff 0x0004/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\kernel32.dll 9bc.ecc: 000000007708a000-000000007709cfff 0x0002/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\kernel32.dll 9bc.ecc: 000000007709d000-00000000770a8fff 0x0020/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\kernel32.dll 9bc.ecc: 00000000770a9000-00000000770d0fff 0x0002/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\kernel32.dll 9bc.ecc: 00000000770d1000-00000000770e0fff 0x0008/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\kernel32.dll 9bc.ecc: 00000000770e1000-00000000771cffff 0x0001/0x0000 0x0000000 9bc.ecc: *00000000771d0000-00000000771d0fff 0x0002/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 00000000771d1000-00000000772b7fff 0x0020/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 00000000772b8000-00000000772e2fff 0x0002/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 00000000772e3000-00000000772e3fff 0x0004/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 00000000772e4000-00000000772e4fff 0x0008/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 00000000772e5000-00000000772e5fff 0x0004/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 00000000772e6000-00000000772e7fff 0x0008/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 00000000772e8000-00000000772edfff 0x0004/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 00000000772ee000-00000000772f1fff 0x0008/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 00000000772f2000-0000000077356fff 0x0002/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 0000000077357000-00000000773c6fff 0x0020/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 00000000773c7000-000000007efdffff 0x0001/0x0000 0x0000000 9bc.ecc: *000000007efe0000-000000007efe5fff 0x0002/0x0002 0x0040000 9bc.ecc: 000000007efe6000-000000007f0dffff 0x0000/0x0002 0x0040000 9bc.ecc: *000000007f0e0000-000000007ffdffff 0x0000/0x0002 0x0020000 9bc.ecc: *000000007ffe0000-000000007ffe0fff 0x0002/0x0002 0x0020000 9bc.ecc: 000000007ffe1000-000000007ffeffff 0x0000/0x0002 0x0020000 9bc.ecc: 000000007fff0000-000000013f71ffff 0x0001/0x0000 0x0000000 9bc.ecc: *000000013f720000-000000013f720fff 0x0002/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f721000-000000013f797fff 0x0020/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f798000-000000013f798fff 0x0080/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f799000-000000013f7e1fff 0x0002/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f7e2000-000000013f7e4fff 0x0004/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f7e5000-000000013f7e7fff 0x0008/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f7e8000-000000013f7eafff 0x0004/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f7eb000-000000013f7ebfff 0x0008/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f7ec000-000000013f7edfff 0x0004/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f7ee000-000000013f7eefff 0x0008/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f7ef000-000000013f837fff 0x0002/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f838000-000007fffffaffff 0x0001/0x0000 0x0000000 9bc.ecc: *000007fffffb0000-000007fffffd2fff 0x0002/0x0002 0x0040000 9bc.ecc: 000007fffffd3000-000007fffffdafff 0x0001/0x0000 0x0000000 9bc.ecc: *000007fffffdb000-000007fffffdbfff 0x0004/0x0004 0x0020000 9bc.ecc: 000007fffffdc000-000007fffffddfff 0x0001/0x0000 0x0000000 9bc.ecc: *000007fffffde000-000007fffffdffff 0x0004/0x0004 0x0020000 9bc.ecc: *000007fffffe0000-000007fffffeffff 0x0001/0x0002 0x0020000 9bc.ecc: VirtualBoxVM.exe: timestamp 0x5f89bd71 (rc=VINF_SUCCESS) 9bc.ecc: kernel32.dll: timestamp 0x56ec4631 (rc=VINF_SUCCESS) 9bc.ecc: \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe: Signature #1/2: info status: 24202 9bc.ecc: '\Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe' has no imports 9bc.ecc: supR3HardenedWinInit: SUPHARDNTVPKIND_SELF_PURIFICATION_LIMITED -> Unknown Status -22929 (0xffffa66f), cFixes=0 9bc.ecc: \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe: Signature #1/2: info status: 24202 9bc.ecc: '\Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe' has no imports 9bc.ecc: supHardenedWinVerifyImageByHandle: -> 24202 (\Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe) 9bc.ecc: supR3HardNtEnableThreadCreationEx: 9bc.ecc: supR3HardNtDisableThreadCreation: pvLdrInitThunk=00000000771f6200 pvNtTerminateThread=0000000077216dc0 9bc.ecc: supR3HardenedWinDoReSpawn(1): New child a8c.cb8 [kernel32]. 9bc.ecc: supR3HardNtChildGatherData: PebBaseAddress=000007fffffda000 cbPeb=0x68 9bc.ecc: supR3HardNtPuChFindNtdll: uNtDllParentAddr=00000000771d0000 uNtDllChildAddr=00000000771d0000 9bc.ecc: supR3HardenedWinSetupChildInit: uLdrInitThunk=00000000771f6200 9bc.ecc: supR3HardenedWinSetupChildInit: Initial context: rax=0000000000000000 rbx=0000000000000000 rcx=000000013f727900 rdx=000007fffffda000 rsi=0000000000000000 rdi=0000000000000000 r8 =0000000000000000 r9 =0000000000000000 r10=0000000000000000 r11=0000000000000000 r12=0000000000000000 r13=0000000000000000 r14=0000000000000000 r15=0000000000000000 P1=0000000000000000 P2=0000000000000000 rip=00000000771f6440 rsp=000000000027f8e8 rbp=0000000000000000 ctxflags=0010001b cs=0033 ss=002b ds=0000 es=0000 fs=0000 gs=0000 eflags=00000200 mxcrx=00001f80 P3=0000000000000000 P4=0000000000000000 P5=0000000000000000 P6=0000000000000000 dr0=0000000000000000 dr1=0000000000000000 dr2=0000000000000000 dr3=0000000000000000 dr6=0000000000000000 dr7=0000000000000000 vcr=0000000000000000 dcr=0000000000000000 lbt=0000000000000000 lbf=0000000000000000 lxt=0000000000000000 lxf=0000000000000000 9bc.ecc: supR3HardenedWinSetupChildInit: Start child. 9bc.ecc: supR3HardNtChildWaitFor: Found expected request 0 (PurifyChildAndCloseHandles) after 0 ms. 9bc.ecc: supR3HardNtChildPurify: Startup delay kludge #1/0: 312 ms, 14 sleeps 9bc.ecc: supHardNtVpScanVirtualMemory: enmKind=CHILD_PURIFICATION 9bc.ecc: *0000000000000000-000000000000ffff 0x0001/0x0000 0x0000000 9bc.ecc: *0000000000010000-000000000002ffff 0x0004/0x0004 0x0020000 9bc.ecc: *0000000000030000-0000000000033fff 0x0002/0x0002 0x0040000 9bc.ecc: 0000000000034000-000000000017ffff 0x0001/0x0000 0x0000000 9bc.ecc: *0000000000180000-000000000027bfff 0x0000/0x0004 0x0020000 9bc.ecc: 000000000027c000-000000000027dfff 0x0104/0x0004 0x0020000 9bc.ecc: 000000000027e000-000000000027ffff 0x0004/0x0004 0x0020000 9bc.ecc: 0000000000280000-00000000771cffff 0x0001/0x0000 0x0000000 9bc.ecc: *00000000771d0000-00000000771d0fff 0x0002/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 00000000771d1000-00000000772b7fff 0x0020/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 00000000772b8000-00000000772e2fff 0x0002/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 00000000772e3000-00000000772ecfff 0x0008/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 00000000772ed000-00000000772edfff 0x0004/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 00000000772ee000-00000000772f1fff 0x0008/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 00000000772f2000-0000000077356fff 0x0002/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 0000000077357000-00000000773c6fff 0x0020/0x0080 0x1000000 \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: 00000000773c7000-000000007efdffff 0x0001/0x0000 0x0000000 9bc.ecc: *000000007efe0000-000000007ffdffff 0x0000/0x0002 0x0020000 9bc.ecc: *000000007ffe0000-000000007ffe0fff 0x0002/0x0002 0x0020000 9bc.ecc: 000000007ffe1000-000000007ffeffff 0x0000/0x0002 0x0020000 9bc.ecc: 000000007fff0000-000000013f71ffff 0x0001/0x0000 0x0000000 9bc.ecc: *000000013f720000-000000013f720fff 0x0002/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f721000-000000013f797fff 0x0020/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f798000-000000013f798fff 0x0080/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f799000-000000013f7e1fff 0x0002/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f7e2000-000000013f7e2fff 0x0004/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f7e3000-000000013f7e3fff 0x0008/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f7e4000-000000013f7e8fff 0x0004/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f7e9000-000000013f7e9fff 0x0008/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f7ea000-000000013f7eafff 0x0004/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f7eb000-000000013f7eefff 0x0008/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f7ef000-000000013f837fff 0x0002/0x0080 0x1000000 \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 9bc.ecc: 000000013f838000-000007fffffaffff 0x0001/0x0000 0x0000000 9bc.ecc: *000007fffffb0000-000007fffffd2fff 0x0002/0x0002 0x0040000 9bc.ecc: 000007fffffd3000-000007fffffd9fff 0x0001/0x0000 0x0000000 9bc.ecc: *000007fffffda000-000007fffffdafff 0x0004/0x0004 0x0020000 9bc.ecc: 000007fffffdb000-000007fffffddfff 0x0001/0x0000 0x0000000 9bc.ecc: *000007fffffde000-000007fffffdffff 0x0004/0x0004 0x0020000 9bc.ecc: *000007fffffe0000-000007fffffeffff 0x0001/0x0002 0x0020000 9bc.ecc: Error (rc=-22929): 9bc.ecc: supHardenedWinVerifyProcess failed with Unknown Status -22929 (0xffffa66f): Full image signature #1 mismatch: 7d dc 2c 5f dd 1e f4 22 5a 85 5b e9 61 2d 16 6b 48 31 a1 ba, expected 2e 58 8e d8 7e 66 8c 9e 14 43 94 43 91 9e bc e1 51 61 87 23: \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: Error -22929 in supR3HardNtChildPurify! (enmWhat=5) 9bc.ecc: supHardenedWinVerifyProcess failed with Unknown Status -22929 (0xffffa66f): Full image signature #1 mismatch: 7d dc 2c 5f dd 1e f4 22 5a 85 5b e9 61 2d 16 6b 48 31 a1 ba, expected 2e 58 8e d8 7e 66 8c 9e 14 43 94 43 91 9e bc e1 51 61 87 23: \Device\HarddiskVolume3\Windows\System32\ntdll.dll 9bc.ecc: supR3HardNtEnableThreadCreationEx: Error message when I run it with locally redirected original ntdll.dll and kernel32.dll in %ProgramFiles%\Oracle\VirtualBox directory: Error message on VirtualBox with hardening removed:

I downloaded and installed VirtualBox(No hardering) 5.2/6.0/6.1 on Windows Vista, create VM and starting........ Error.

I have verified that VirtualBox stops working when the Extended Kernel is installed. (Again I go back to the old original Vista.) T o T

That's byte-for-byte equivalent to Vista's psapi.GetPerformanceInfo. I tried making K32GetPerformanceInfo (and some other K32 functions) redirect to their PSAPI_VERSION_1 equivalents. The only difference was Advanced Chrome 84 crashing silently instead of the dispatching of a crash dialog. 8.1's (K32)GetPerformanceInfo is a little different (and is self-contained), but I remember that no matter what implementation it was, the problem was NtQuerySystemInformation/NtQueryInformationProcess/etc. Those may return more subparameters in 7 x86 than in Vista x86, which may be where the problem lies. No. I chose 2017 as it predates a major performance drop in Windows binaries and Spectre/Meltdown mitigations. It would also be a lot of work refactoring everything. I thought about putting the new functions in wrappers linking back to the extant kernel32, and maybe trying some stuff with knowndlls to somehow make the redirection seamless like it is for custom ntoskrnls with different names, but shared data structures and subroutines would be a problem. And while I'm at it, there is going to be an installer, using a batch script. Admin privileges required. It renames the files in use, copies the new ones, and requires a reboot. I am also going to self-sign the files to satisfy the VirtualBox hardening requirements (you may have to do the same thing if you want to run 4.2.xx/4.3xx+ on Windows 2000).

Trying this extended kernel makes windows vista bluescreen, i tried this with a fresh copy of windows vista home premium x64 i tried in one of my laptops (Acer Aspire 5920g) and ina vm with virtualbox, all goes well till i copy the files to system32 through the windows vista installer Does anyone know any solution to this, or i should use windows vista ultimate?

I think that's why teamspeak also does not work, and in future virtualbox may not work too.