Anomander

I just did that and a dialog with "Stopping trace" appeared briefly. Based on that, I have a strong impression that this has solved my problem. We'll see after the next boot... Anyway, thank you a lot, MagicAndre.

Yes, it was an .ETL file. And I'm quite sure that its name started with something like 'boot_BASE_...'. I'm using a program similar to TreeSize (from TuneUp Utilities), but currently I have 11,4 GB free on C. But with that file on the disk, my free space drops to something like 100 MB. And the strange part is that I was able to see it increase in size: from 11,1 GB to 11,3 GB. So some process was clearly writing it. 2 more things: 1) Sometimes, when I tried to delete it I would get an "File in use" error. Unfortunately, I didn't see which program was using it (I know, really dumb from my part... but I was angry ). 2) When I tried to open it, I got an xperf dialog, asking me if I would like to run it with lower privileges (I'm the computer administrator).

Hi. I'm having some really annoying problems with WPT. Here it goes... I've installed WPT last week and tried to optimize my boot using xbootmgr. So I've ran it, it completed succesfully the first step, I rebooted my laptop, and in the second step it freezed at the "Preparing system..." phase. I started Task Manager and I saw that the defragmenter (NtfsDfrg.exe) was active, which, from what I've read here, was normal. So I waited... for about 2 hours. Because it was taking so long, I finally stopped the xbootmgr process and decided to leave it for some another time. And then my problems started. From that day, I'm constantly bombarded with "Very low disk space on drive C:" messages. The problem seems to be a HUGE file (more than 11 GB) from my "C:\Users\Username" directory. That file is a Windows Performance Analyzer file (I don't know its exact name, because now it's deleted). So I uninstalled WPT, hoping that my problems would go away. However, I still keep getting that message from time to time and that file still appears in my user folder, even if there is no xbootmgr of NtfsDfrg process active (I've checked). And the worst part is that, when I delete it, if I do a refresh it simply re-appears! I have to delete it multiple times until it disappears completely... to just reappear, usually after a reboot. I'm really frustrated by this problem and any help would be appreciated.