UAC case, open the Admin login account, through the com used cocreateinstance error instance is created, the interface is unusual, the first call is created when two instances,
But non - there is no question of the admin account login,
UAC closed, all accounts are normal,
Whether cocreateinstance create objects need permissions to ascend,

CodePudding user response:

There are a great god help answer

CodePudding user response:

The CoCreateInstance returned HRESULT value is what?

CodePudding user response:

First look at the error message, just know whether permission problems

CodePudding user response:

refer to the second floor VisualEleven response:

CoCreateInstance returned HRESULT value is what?

The returned HRESULT value is 0

CodePudding user response:

reference oyljerry reply: 3/f

first look at the error message, just know whether permission problems

Mainly didn't see error messages,,,

CodePudding user response:

Abnormal returns 0 is successful, the program should be com itself with abnormal UAC part