comctl32.ocx register and use

Question

comctl32.ocx register and use

Carlos Yohn Zubiría 41

Hi,
I'm having a problem with comctl32.ocx activex component in a Windows server 2019 machine:
It is correctly registered with administrator privilege:
c:\windows\syswow64\regsvr32 c:\windows\syswow64\comctl32.ocx

Message tells everything went right: registered.
Now, if i run the application with administrator user, works fine.
Every other users logged in (console or terminal services) gets an error 'class not registered'

Maybe registry permissions?
Thanks in advance.
Regards,

RLWA32 49,636 Reputation points

2021-12-26T19:35:12.793+00:00

Verify that every user attempting to instantiate a control from comctl32.ocx is running a 32-bit process.

2 answers

Your answer

RLWA32 49,636 Reputation points

2021-12-26T19:35:12.793+00:00

Verify that every user attempting to instantiate a control from comctl32.ocx is running a 32-bit process.

Answer 1

Carlos Yohn Zubiría 41

Of course, i'm talking about the same application executed with and without administrator privilege. One case works; the other one does not.

RLWA32 49,636 Reputation points

2021-12-26T22:01:26.93+00:00

Well, there is no obvious reason why a standard user should be unable to instantiate a COM object that is registered per-machine. Registry permissions should not be a factor since only registration requires write access to HKLM.

Answer 2

Carlos Yohn Zubiría 41

maybe any active directory GPO setting?

MotoX80 36,401 Reputation points

2021-12-26T22:57:29.707+00:00

Trace it with Proces Monitor and see if you can isolate the error.

https://learn.microsoft.com/en-us/sysinternals/downloads/procmon

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comctl32.ocx register and use

2 answers

Your answer