Check your mamewah.log file.
Make certain the hard drive letters haven't changed. Three seconds sounds like enough time for screensaver or slideshow to kick in, maybe it is looking in the wrong locations for vids/snaps. When you quit, it could be looking at the wrong location to start explorer.exe
Is it logging onto the right user?
Check other settings in BIOS to see if it all seems appropriate (as it was wiped to default when the old battery died).
Hopefully the log file will shed some light.
Make certain the hard drive letters haven't changed. Three seconds sounds like enough time for screensaver or slideshow to kick in, maybe it is looking in the wrong locations for vids/snaps. When you quit, it could be looking at the wrong location to start explorer.exe
Is it logging onto the right user?
Check other settings in BIOS to see if it all seems appropriate (as it was wiped to default when the old battery died).
Hopefully the log file will shed some light.