can sometimes perform a "clean uninstall" to remove registry traces before a fresh reinstall. Version-Specific Locations Software Version Registry Path StartIsBack HKEY_CURRENT_USER\SOFTWARE\Classes\CLSID\ StartAllBack
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\CLSID Identify the Target Key : Look for a subkey that is (has no sub-folders like DefaultIcon ) and contains only lowercase letters xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx Delete the Key : Right-click the identified key and select : Log off and back on, or restart explorer.exe startisback trial reset