pomaha na crashe v SL
a) simple boot into safe mode (so shiftom) then reboot

b)
Start by opening System Preferences
Select ‘Sharing’ from the Internet & Wireless section
From the list on the left choose ‘File Sharing’ and turn it off.
Delete anything listed in the Shared Folders section
Turn File Sharing back on
Log out, then Log back in
Done!!”

mne zda sa pomohlo hned b), a) si nechavam este v zalohe ;)