I am using IIS4/5 (and above), and a virtual web site in its own memory space.
I am getting the error reason=denied_cookie_timed_out, even if I
am using Basic Authentication!
Running the web site in its own virtual memory space is causing this problem. Switch this off.
During installation, I get an error regarding the Virtual Device Driver.
It gives an option to Quit, or Ignore.
Ignoring this error lets the install continue, without problems.
I believe it is related to another vendor's previous Installshield install,
which did not clean up properly after itself.
Microsoft also has exactly this: