The strange case of error "Unable to register DLL/OCX:RegSvr32 failed with exit code 0x5"

November 11, 2012

In the past years, I have received some bug reports (less than 10 out of dozens of thousands of installations) reporting that the setup of MZ-Tools 3.0 for VBA / VB6 was failing with this error: “Unable to register DLL/OCX:RegSvr32 failed with exit code 0x5” I never discovered the cause (I just recommended to reinstall […]