Unable Run Exe File
December 2, 2009
Find HKEY_CLASSES_ROOT \ exefile \ shell \ open \ command Double-click the (Default) value in the right pane
Delete the current value data, and then type: “%1” %* (ie., quote-percent-one-quote-space-percent-asterisk.)
Navigate to: HKEY_CLASSES_ROOT\.exe
In the right-pane, set (default) to exefile
Exit the Registry Editor.
If you’re unable to launch Regedit.exe even from Command Prompt, try this:
copy regedit.exe regedit.com
Or You can:
Download exefix_xp.com utility and save to Desktop. Double-click the file to run it. This utility fixes the exefile association in the registry automatically.