You can fix the app close main error. 1) Open your filemanager/ fexplorer/xplore or any 3rd party file managers. 2) Go to c:\system\bootdata and delete FirstBoot.dat 3) Turn off phone and take out your MMC card. 4) Turn on phone and put in current time/date. 5) Wait for it to boot up then turn off phone again. 6) Put MMC back in and turn on phone. You can also try deleting the monlog.txt file in c:\nokia to avoid app close errors.