Approach One : ,
Windows 7 Enterprise Key
in to the program installation CD and run sfc / scannow command to detect and restore damage and could possibly be subject to alter program files .
so that you don't take place once again
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Technique Two :
run gpedit.msc to open Group Policy ,
Windows 7 X64,
and Expand to Personal computer Configuration - Administrative Templates - Program - windows file safety
obtain the
with SFC command
SFC / SCANNOW instantly scans all guarded method files.
SFC / SCANONCE scans all protected system files when.
SFC / SCANBOOT each and every time you start to scan all secured system files.
SFC / CANCEL to cancel all pending scans of guarded method files .
SFC / Peaceful with out prompting the user to replace all incorrect file versions.
SFC / Enable to enable the typical operation of Windows File Protection
SFC / PURGECACHE distinct the file cache and scans all secured system files.
SFC / CACHESIZE = x Set the file cache dimensions