How to troubleshoot problems that Win7 programs do not respond to

First, open the Start menu, open "All Programs", go to "attachment" and click "Run".

Second, open the run inside the input regedit run the registry after clicking OK.

Next, expand to Hkey_current_usercontrol paneldesktop, and then right-click in the margin to create a new DWORD 32-bit value.

Finally, after renaming the waittokillapptimeout, double-click the file and confirm that the value of the key is 0, save the changes and then exit

While using the Win7 system, there are also many different system problems.