I turned off my firewall/anti-virus protection. I ran the DLL registry server command as directed. I still get the 2738 error when either trying to install the new version of QuickTime or trying to uninstall the old version. Any ideas?
In some cases of these 2738s, other parts of the Windows Script machinery (other than vbscript) have been disabled. If that's what is going on, running the fixit from the following Microsoft document has been of some assistance: