Yes, running with Admin rights. Have you tried with a machine with IIS enabled? It does seem to be copying things to a web site which is causing the problem. Unfortunatly my Win 7 PC is away for repair, but I'll try a few more things when I get it back - hopefully end of next week or early the next....

I've not tried manually registering the OCX. Once I get the above message, I am asked if I want to roll-back the installation, and have been replying 'Yes', to keep a 'clean' system. If there is no solution for the problem, which seems to be related to the install trying to set up the demo web site,...

This is possibly a simple Windows 7 (64 bit) issue, but trying to install on Windows 7 64-bit, I keep getting the attached error message. I've even tried creating the directory giving the error manually, to no avail. Any ideas?