comdlg32.ocx is a CMDialog ActiveX Control DLL
from Microsoft Corporation
belonging to CMDIALOG
This is an ActiveX control which usually comes with Visual Studio 6.0/Visual Basic 6.0 and is used for showing common dialogs like open or save.
comdlg32.ocx is a system process that is needed for your PC to work properly. It should not be removed. Check your system now to identify unused processes that are slowing down your computer