Windows 7 fails to go into safe mode. Stuck at classpnp. This happened to me because I tried to install Fallout 3 too. I tried doing the c windowssystem. System32 Drivers Pci Sys Corrupt' title='System32 Drivers Pci Sys Corrupt' />Glad to hear tat Fallout 3 is still being played. Firstly there are a few things that I have discovered. Classpnp. sys causes a few problems with the system. As I dont know what your system or brand of computer you are using, Im not sure exactly what advice to give. However it should work a little something like this. When you start your computer you will see the brand name of the company who built the system ie. Acer, HP, Compaq etc Press either alt   F1. F1. 1. This will bring you to a recovery type menu. Mortal Kombat Dc Universe Pc Game. From here you can do a system restore you will loose any un backed up data. This trick will restore your systems factory defaults systems. SmartPCFixer is a fully featured and easytouse system optimization suite. With it, you can clean windows registry, remove cache files, fix errors, defrag disk. I have not been able to try this myself yet. Also depending on your what OS you are using you could try and and get a hold of either the Vista or Windows 7 recovery disks. You can download them from here Its free and is very effective I can see this having more use with other iso files of mineAgain I have been unable to try this myself. And the last option short of formatting the drive is to use another piece of software called Ubuntu 9. Desktop. This is freeware that needs to be downloaded http www. Img. Burn mentioned above. Put the disk into the drive and but it up during windows start up. You also need to download a replacement classpnp. You get this from http www. I also havent tested this file yet but there other options on the siteWhile using Ubuntu find the classpnp. C windowssystem. This is a definition for people that have absolutely no idea of what an operating system means. If you don t understand what I just said, you need to read the. The database recognizes 1,746,000 software titles and delivers updates for your software including minor upgrades. Copy the recently downloaded version of the classpnp. Exit and restart. The computer may lag a bit but should eventually boot into safe mode. Sadly I havent been able to try this yet either. Cara Menggunakan Greasemonkey on this page. Although none of this helps with getting fallout 3 to install any easier. I will post with my progress and with what works in the near future. Hope any else can do the same.