In the Start Search box type: CMD
When the Command Prompt appears, right-click on it
and select "Run as administrator", then type in SFC SCANNOW
in the Command Prompt window and hit Enter.

--
Carey Frisch
Microsoft MVP
Windows Shell/User

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"jihchiang" wrote:

In one of the questions I asked, someone ( I think it's Bob ) suggested sfc
scannow. I didn't get to use it as the problem was solved. Today I tried it
just for curiosity. I opened Start menu, enter sfc scannow on the search
box,saw the program name at the top, right click then click Open. NOTHING
happened. What did I go wrong ?