Can't install True Launch Bar

Yes, this is what I wanted to see. As I see there the problems with the registry on your computer. Please can you check the registry keys:

Code:

HKEY_CLASSES_ROOT\Component Categories\{00021492-0000-0000-C000-000000000046}

and

Code:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Discardable\PostSetup\Component Categories\{00021492-0000-0000-C000-000000000046}

If any of these keys is not exists try to create them. After creating restart the computer.