the instruction at"0x10007dba" referenced memory at "0x7c90e514" The memory could not be "written" When trying to open firefox receive application error message with ok to terminate and cancel to debug - window then closes & program is unusable. complete error message titled firefox.exe - Application Error The instruction at "0x10007dba" referenced memory at "0x7c90e514". The memory could not be "written". Click on OK to terminate the program Click on CANCEL to debug the program After clicking OK or CANCEL the program does not start I've tried uninstalling and reinstalling with the same problem Program does not load when either option is selected