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Windows 7: hard drive losing space rapidly (170gb over past week)

07 Jan 2015   #1
JC127

Windows 7 home premium 64 bit
 
 
hard drive losing space rapidly (170gb over past week)

I was baffled to find my main drive with 80mb space left after freeing up 170gb of space last week. This has happened repeatedly, WinDirStat can't figure out what's taking up all the space, I've run disk cleanup, defragged and ran multiple different virus scans, all to no avail. Literally my entire useful hard drive contents has now been moved to an external drive, all else deleted/cleaned and the entire 750gb drive is still somehow full!


Its severely affecting the performance at a time when I desperately need a functioning laptop, and would like to avoid a clean install or hard drive replacement! Help would be much appreciated


My System SpecsSystem Spec
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07 Jan 2015   #2
richc46

Microsoft Community Contributor Award Recipient

Windows 10, Home Clean Install
 
 

Its your system restore points. Delete all points then make a new one in case needed.
If that does not do the trick, run your anti virus scan, then download and run a scan with the free Malwarebytes.
You can also reduce the amount of space that the restore points can take.
System Restore - disk space
Vista is done in the same way as seven
My System SpecsSystem Spec
07 Jan 2015   #3
JC127

Windows 7 home premium 64 bit
 
 

Will try the restore points thanks ! Already using malwarebytes in addition to antivirus
My System SpecsSystem Spec
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07 Jan 2015   #4
JC127

Windows 7 home premium 64 bit
 
 

Wasnt the restore points, found an unusual cause.....my antivirus (norton endpoint) has 300gb of stuff in quarantine! Which is a problem for another forum...thanks anyway
My System SpecsSystem Spec
07 Jan 2015   #5
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

What about the shadowstorage. Run this command:

vssadmin list shadowstorage
My System SpecsSystem Spec
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 hard drive losing space rapidly (170gb over past week)




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