[Qexler]

Petya V4sechkin,
В реестре много где сидит:

HKEY_CLASSES_ROOT\.dat\OpenWithProgIds

HKEY_CLASSES_ROOT\NCH.VideoPad.dat

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\ApplicationAssociationToasts

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.dat\OpenWithProgids

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.dat\OpenWithProgIds

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\NCH.VideoPad.dat

HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\NCH Software\VideoPad\Capabilities\FileAssociations

HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\NCH Software\VideoPad\Capabilities\FileTypes

HKEY_USERS\S-1-5-21-1971451195-52152656-630498368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\ApplicationAssociationToasts

HKEY_USERS\S-1-5-21-1971451195-52152656-630498368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.dat\OpenWithProgids