very large file in c:\windows


  1. Stettin
    Posts : 1
    Windows 7 Ultimate x64
       New #1

    very large file in c:\windows


    {28672A49-65A7-11E0-9BF5-00FF01000001} 4/18/11 7.5GB (7,908,378KB)
    {7796876C-5958-11DF-9A44-E0CB4EF925B9} 5/6/10 795,152KB
    {DB6E8734-53E8-11DF-BCB7-E0CB4EF925B9} 4/20/10 86,744KB

    I noticed my C: almost filled up so I used my handy WinDirstat to figure out what happened. It looks like 10 days ago a huge file was created in my c:\windows directory. The filename looks like some HEX registry key of some sort. The curly braces are actually in the filename. I did some quick googling and didn't see anything like this. Any ideas what this could be? I tried moving it to my D: but the file is in use by "System". I'm currently at 3GB free out of 150, so I really need to clear this file out if it is not needed. I thought maybe it might be some corrupted swap file, but I have mine set to my D:

    This is Windows 7 Ultimate 64bit
    Last edited by Stettin; 28 Apr 2011 at 21:49. Reason: specs
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  3. gpost3
    Posts : 65
    Ubuntu 10.10 64 bit/Window 7 VM
       New #2

    Go into safe mode, and rename it. Reboot normally. If your windows loads fine, then just delete the file.
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  4. Layback Bear
    Posts : 25,847
    Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
       New #3

    I don't know what that file is either. If it was my computer I would do a little more investigation on what that file is before removing it. Do you have a duel boot? When you are sure you want to remove it send it to a c/d or dvd.
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  6. MacGyvr
    Posts : 1,326
    Windows 7 Ultimate RTM (Technet)
       New #4

    No point digging into it unless you have the time to waste. Just get rid of it.
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