I downloaded updates to my Inspiron 1520, like i always do. I also ran a Ad-Aware scan, apparently i deleted something on my system, because my internet page will not show up, but i do have a WiFi signal. I have tried to do a system restore, a box pops up that says windows cannot find 'C:/WINDOWS/system32/Restore/rstui.exe'.....

When i start up my computer a box pops up that says error loading C:/PROGRA~1/MYWEBS~1/bar/3/M3PLUGIN.DLL    This specified module could not be found.

Any ideas about how i could fix this problem?    Thanks!