Hi dfherrero, Welcome to MSDN forums! getting this error message when I try to open the program ' Component 'Mscomctl.ocx' or one of its dependencies not correctly registered: a file is missing or invalid' -> The Mscomctl.ocx is Windows Common Controls.

Welcome to the All-In-One Code Framework! If you have any feedback, please tell us. Please remember to mark the replies as answers if they help and unmark them if they provide no help. Please check these cases for reference: Best regards, Martin Xie install.bat -> Place this command inside 'REGSVR32 MSCOMCTL.OCX' and save it-> Right-click the batch file and select 'Run as administrator' 2. Install the 'ActiveX Installer Service' in Vista via adding windows components, and then enable this service in services panel. Register the 'Mscomctl.ocx' control under Administrator role New a batch file e.g. Hi dfherrero, The 'Mscomctl.ocx' and the 'MSCOMCTL.OCX' are the same one file.Įrror: 'The module 'MSCOMCTL.OCX' was loaded but the call to DllRegister Server failed with error code Ox8002801c.' -> Please try the following suggestion to fix this issue: 1.

Opening ocx files