Hi. I have Office 2007 licensed. I use it virtualized on my USB stick/flash/key. The problem is that on some computers is showing an activation error. Probably it has some files and/or registry entries from another installation on those computers which interfere with the installation from the virtual environment. I can set the type of isolation for files and registry entries (in the virtual environment) to merge, write copy or full. On merge is using the ones from the real computer, on write copy it reads from the real computer but it writes in the virtual environment if it's changed and on full it reads and writes only from the virtual environment. The activation error could be from some files and/or registry entries that have a merge or write copy isolation instead of full. The problem is that I don't know where to set this. I can't set isolation to full for all because the virtualized Office will not work properly. Does anybody has an idea which files and/or registry entries...? Thank you. Regards, Catalin