virtualbox.org

All,

Symptom: Guest additions will not install or update even when the .iso is attached and inserted and auto run is turned on.
Windows Device Manager shows VBOX CD-ROM ATA with and error and the driver will not update.
OS: Guest Windows 7 Professional Service Pack 1

Solution to follow in the next post. Link to MSFT help.

Hope this helps

Here is the solution I found.

Solution: I had to edit the registry as mentioned here on MSFT.
http://answers.microsoft.com/en-us/wind ... 01b?auth=1

I only had the UpperFilters value and not the lower.