So yes a newbie. so i downloaded a trial copy of MacCleanse and there are a lot of options under system. the thing is, i don't know which ones to check off and whcih ones to avoid checking off (meaning if i erase the data i will have some problems so here's my question..1) which of these is safe to do and good for privacy 2) which are safe and good for improving performance 3) which ones are either unsafe to cleanse or may reset settings that may be a drag. here's the screen capture:
