im having problems installing apps. this came after i uninstalled norton and installed ewido as a replacement then i did a scan and got rid of two viruses and then ie7 didnt work, so i uninstalled, then wlm8 dint load, but i saw it in taskmanager. so i uninstalled that. now i tryed to install again, but it just stops at 75% but doesnt crash or anything. now i try to install FEAR comabt and that doesnt work! how can i fix this problem??