Vista: Disable Search Indexing on Drives
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When the search index is being updated, it can slow down your computer. If you don’t use the search option very often, you can disable Indexing on your hard drives. Searching will be slower, but your computer will run a bit faster. Try these steps to disable indexing.
1. Click Start > Computer.
2. Right-click the C:\ drive and select Properties.
3. Uncheck the box for Index this drive for faster searching and click OK.
4. Select Apply changes to drive C:\, subfolders and files and click OK.

3 Comments
Nell
November 16th, 2007
at 5:29pm
After disabling this my harddrive suddenly lost about 7 GB of space. While the attributes were being applied I went from having 116 GB free on Drive C to 109 GB. Then after I rebooted it went down to 108 GB. Any idea what might have caused this? If anything disabling indexing should INCREASE my free space, not reduce it. Vista must have added some unnecessary junk files in the process.
Nell
November 16th, 2007
at 6:51pm
Nevermind I found out what was causing it. Windows Vista snapshot/restore points were piling up everytime I changed something. It started adding up ALOT so after I removed all but the most resent snapshots I regained nearly 20 GB of space.
oztech
November 16th, 2007
at 9:46pm
I’m not sure about why that would happen. I wonder if it still leaves items on the computer. Maybe check in C:\ProgramData\Microsoft\Search to see if it left items behind.