app close main error of most nokia phones, fixed!

You can fix the app close main error..
1) Open your filemanager/explorer
2) Go to c:/system/bootdata & delete ‘FirstBoot.dat’
3) Turn off phone & 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.

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