Watch video How to Fix Error Unable to register the DLL/OCX - RegSvr32 failed with exit code 0x3 online without registration, duration 52 second in high hd quality. This video was added by user troubleshooterrors 17 September 2014, don't forget to share it with your friends and acquaintances, it has been viewed on our site 141 thousand once and liked it 161 people.