Addon Managers For
Flight Simulator
and Prepar3D

Addit! Pro For Prepar3D

I'm getting the error "Component XXXXXXXX.OCX not correctly registered: file is missing or invalid.". What can I do?

The file (or a file on which this one depends) may be missing or damaged. You must replace the file with a new copy. Follow these instructions:

1. Download a new copy of Addit! Pro (  The archive you currently have probably contains damaged files so don't rely on it -- get a fresh copy!
2. Use Add/Remove Programs to completely remove Addit! Pro.
3. Go to your Windows\System folder. Delete the file you're having trouble with. Note:  this step is important -- you must remove the damaged file completely.
4. Reinstall Addit! Pro by following the instructions listed in Article Setup S5 (