The problem is that someone uploaded firefox 2.0. The new firefox version uses a different installer than the previous versions which causes reactos to do a usermode crash.

The gcc 4 build env. is not fully supported at this time. Please use the 3.4.5 buld env. try reinstalling the build environment if you still have problems and post back in this thread. :D Update: 3.4.5 build environment builds ros .3.0. remember to go to the reactos source directory and type "mingw3...