I get the following message when checking windows updates.
Windows could not search for new updates
An error occurred while checking for new updates for your computer
Code 8024000E Windows update encountered an unknown error.
I am running Windows 7 Pro SP1 x86
Did you receive any error after run system readiness tool and system file check?
If all the above doesn't work, please upload the update cbs log, which is located in C:\Windows\Logs\CBS\cbs.txt, it could help us find which step failed.
Zip then upload it to your SkyDrive, put it in a public folder, then reply a folder link here. I'll check it later.
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If you have recently changed your Hard Disk Drive you may need a new driver.
This worked for me see: h t t p : / / w w w . r u p e r t . i d . a u / t u t o r i a l s / e r r o r /
for details. PS I had to place spaces between each character in the above URL because I can't post links in this form yet.