If you are on Windows Vista/7 and notice Firefox 13 constantly crashing the culprit is the new “Protection Mode” (which makes flash run in a sandbox).
To disable this you need to append “ProtectedMode=0″ to the flash config file “mms.cfg”
Detailed Instructions STEP 1: Open Administrative Command Prompt Click Start. In the Start Search . . . → Read More: firefox keeps crashing fixed
