Thanks all.

Ok, kill MacKeeper. If uninstalling MacKeeper is a problem, could you offer advice on how best to do it?

Ok, will check out Avast.

So then there doesn't exist optimize only apps for Mac? How does one optimize a Mac? Are there no configuration settings to check? Is there nothing to delete other than user files?


MacBookPro5,4; 1 Intel Core 2 Duo, 2.53 GHz; 4 GB Memory; 15" Monitor; OS X 10.6.8

JCLover