after updayting fire fox the applixation will not open I get a message that says the application failed to start because its side -by - side configureation is in correct. please see event log or use the command sxstrace.exe tool for more detail

See: *[[/questions/910134]] Seems to be caused by a corrupted Visual C++ installation (multiple versions can be installed side-by-side; SxS). You can try to use the sxstrace.exe tool to see if you can find which files are missing or corrupted and (re)install missing Visual C++ libraries. * http://www.vistax64.com/software/245768-side-side-configuration-incorrect.html * http://answers.microsoft.com/en-us/windows/forum/windows_7-pictures/error-the-application-has-failed-to-start-because/df019c0d-746e-42d0-ad68-465e18e3f3ef