I have read some of the threads here about object errors and these

http://www.sims2wiki.info/wiki.php?title=Game_Help:Finding_Problem_Custom_Content

http://www.sims2wiki.info/wiki.php?title=Object_Errors

http://www.insimenator.org/showthread.php?t=4019

I tried scanning my files with SimPE, should I delete the ones with the Health:Unknown Version? and I also tried Scanning with Sims2pack Clean Installer, there were pink and red files, should I delete them?

I tried renaming my folder Neighborhoods,SavedSims and Downloads one by one then tested, there were still errors.. what do I do now? pls help, I'm kinda new on sims2.. Thanks in advance