Verystream Not Working Fix To Open. In the registry editor navigate to “hkey_classes_root\*\shellex\contextmenuhandlers.”. On the choose an option screen, select troubleshoot.
Once you log back in, try to open the start menu to see if that fixed your issues. You could also use powershell to run the sfc /scannow command, but remember that you'll need to open an elevated powershell terminal. Open the registry editor by hitting win + r, then entering regedit.