Windows 7 eats up disk space

I had ALL space used up on my C drvice, but when I looked at the folders they only added up to less
than 15 percent of the total partition size. The folder sizes did not reflect the sizes of files within.

Then I looked at WIndows\temp. There were HUGE files eating up the disk space. Apparently they don't get deleted when you reboot, I had to delete them manually.

One file was > 180 GIGAbytes in size, more than 60 percent of the partition.

Is there a way to prevent a recurrence?
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  1. What are the names of the temp files that were so large? More applications than just Windows use that folder - I just checked mine (on a PC I've used daily for years and that hasn't been rebooted in a month) and it's about 379 MB. (Win 7)
  2. Sound like you've got a bug or malware mate.

    Don't have a clue which or where to start, someone else will be able to give you pointer on that one.
  3. inanition02 said:
    What are the names of the temp files that were so large? More applications than just Windows use that folder - I just checked mine (on a PC I've used daily for years and that hasn't been rebooted in a month) and it's about 379 MB. (Win 7)


    The files were nonsensical files with HEX names, 20 or 30 characters long. So it looks like they were generated by the OS.

    I scanned the system with an AV package, it couldn't find anything suspicious.
  4. Run combofix. It is the best tool to find and eliminate the worst viruses and other crap. If it will find a lot of stuff on your PC, run it a couple more times.

    + disable windows restore, run disk cleanup, check registry and other usual stuff (best free soft for this is ccleaner)
  5. you got some serious problems there m8, either your infected or your pagefile/system restore is badly configured.
  6. How do I get tha COMBOFIX\]
  7. Sorry - How do I get this COMBOFIX pscksge?
  8. Have you tried restarting the computer? This happened to me before due to a screwed up RAMDisk and pagefile configeration before I killed the unstable mess I made.
  9. Hai its a bad virus i am seen some related problems in some hdds and pendrives ,instal xp sp2 dont create files for month then create more than partition size 60gb partition 180gb file in c drive how its possible all antivirus said 0 virus after some days os corrupt fully
  10. If xp sp3 os corrupt in 1 weak same files created, not overheat at the time of installation or no sounds like cd scratch .then a pendrive sony 32gb buy @ us and gifted to one of my custamer , problem u send 10gb files al content it shows only 100mb - 200mb after unplug and plug only 10-20mb music files played image opened,then what problem no virus said al antivirus ,
  11. Its boot sector virus very old but not detecting any antivirus ,dont try to backup ur valuable datas by pendrive or cd or dvd it affect other hdds also without telling u after 6 to 8 months other hdd can do same error .u have warenty then complind and change hdd ,no warenty clean format it and sel it ,buy new hdd ,no other options ma sorry
  12. Use CCleaner to remove rubbish and fix issues.
  13. After some further digging, I finally isolated the problem. I was using MYBOOK to back up files on both computers.
    It was creating the huge files. I had to shut down the MYBOOK process in order to get rid of the temp files.

    I still don't know the purpose of those files. But if you use the WD product, look in Windows/temp and see if they are present.
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