WEI - the Windows of your system performance index could not be calculated.

Hello

Ive installed a clean copy of Windows7 64 bit, on a formatted hard drive. I am unable to execute WEI.

I've updated the BIOS for my M3A79-T DELUXE for later (1303 rev). Installed the latest drivers for hardware and Windows was last updated.

I ran CHKDSK/f/r/x c: (I saw on a Web site that's the problem for one person)

checked everything is installed ok and there is no conflict in Device Manager.

Index of Windows performance has a logfile '% SystemRoot%\Performance\WinSAT\winsat.log '. This can give a few pertinent details.

I got the same error message and, in my case, the log file reported "Unable to save". He seems to have been Kaspersky Internet Security 2010 that blocked WEI to save the results. The full test of the WEI ran OK and even flashed-up the message 'done', but this was then immediately replaced with the message 'assessment could not be completed'... because he could not * recording * results.

Can I suggest you try another AV package? If you disconnect the network cable, you can safely uninstall your existing AV package and see if WEI works again. If that solves it, perhaps you need another AV package in the future.

Personally, I found that Microsoft Security Essentials seems not to have this issue and I can now my notes again. But I can try a few other (try before you buy) packages to see which is better.

Worth a try?

Keith.

Tags: Windows

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