Hi to all, and thanks to MB staff for advice so far. My Win7 x64 system will boot, but will no longer display a login screen - just black. I can see the quarantine folder from another machine on the net, there are 11000+ files in there from 23:45 last night onwards, each time the machine boots, it seems more gets put in there. However I'm going to have to boot up at least once more to copy the fixtool over. I regret that I never enabled RDP, but it's too late now... Having done that I'm going to try to boot to safe mode command prompt: if I get a prompt, can I run fixtool in this mode? Assuming that's successful, will it also apply whatever fix is necessary to stop MBAM from systematically quarantining all my binaries? If that doesn't work can I pull the disk, and run fixtool against it if I connect it via USB to another machine? Or does fixtool rely on being run on the running instance of the affected operating system? Thanks for any advice you can offer, Cpl