Error causes 0x6d9
Download corrupted or incomplete installation of Windows 8 software.
Damage in the register of Windows 8 is recorded because of a recent change related to Windows 8 software (installation or removal).
Malware or virus infection that has damaged the Windows file or program files related to Windows 8.
Another program deleted the files related to Windows 8 mistakenly or maliciously.
Runtime errors such as "Error 0x6d9" can be caused by a variety of factors, therefore, it is important to solve the problems of every possible cause to prevent it from happening again.