How To Fix Runtime Error '339': MSCOMCTL.OCX in Windows 10

This video will show you how to fix Run-time error ‘339’: Component ‘MSCOMCTL.OCX or one of its dependencies not correctly registered: a file is missing or invalid? This error happens when you try to install Xbox Backup Creator and other programs requiring this Windows component. The solution to this issue is very simple. All you need to do is download and put the MSCOMCTL.OCX file into a folder in drive C or where Windows is installed.