Did you reboot the system after making those changes? The Preview Handler Association Editor makes changes to the Windows Registry and will take effect after the next reboot of the system.
Check your registry entries for the PreviewHandlers:
If the handlers exist but the file associations to the handlers are broken then you may need to reassociate the file extensions with the appropriate handler using a utility like the Preview Handler Association Editor:
Did you reboot the system after making those changes? The Preview Handler Association Editor makes changes to the Windows Registry and will take effect after the next reboot of the system.
Did you reboot the system after making those changes? The Preview Handler Association Editor makes changes to the Windows Registry and will take effect after the next reboot of the system.
After reiniiating i continue the same.
Perhaps you have a model of how I have to have the thing i can follow.