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Class not registered error when starting vMix

When starting or registering vMix you may receive an error similar to the following:
 
Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))
 
The error may also be include the words "Invalid Class"
 
This error occurs when a windows component called WMI is corrupt or is malfunctioning.
 
Reparing WMI can be a complicated process, so in most cases the best solution is to reinstall windows.
You can also try some of the suggestions below:
 

Last Updated: Thursday, 12 March 2015 5:57:45 PM

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