@ciprianionut, see here:

Код:
Oh!
There should be no spaces between backslashes (forum engine bug).

1. You show HKEY_LOCAL_MACHINE \ SOFTWARE \ Avid\Studio Content 22 Wrong!
Required HKEY_LOCAL_MACHINE\SOFTWARE\Avid\Studio 22 
and
HKEY_LOCAL_MACHINE\SOFTWARE\Avid\Studio 22\Install

2. You show C: \ Program Files \ Pinnacle Studio 22 Wrong!
Required C:\Program Files\Pinnacle\Studio 22
and
C:\Program Files\Pinnacle\Studio 22\programs

3. Goto C:\Program Files\Pinnacle\Studio 22\programs
find PinnacleStudio.EXE and make a shortcut (Send to -> Desktop (create shortcut)).