Since Safari 5 came out, a few people have complained of the application crashing. A couple of weeks ago we wrote an article outlining some of the steps to take if the application crashes at launch, but other times the program will seem to crash on a more sporadic basis.
If you are experiencing problems with a menu extra and can't seem to remove it by standard means, it may have a nonstandard implementation, which will take a couple of steps to root out and uninstall.
PithHelmet is a useful utility for blocking some web content, but can be confusing to uninstall.
iChat AV conflict with PithHelmet
A number of people have complained about Safari often crashing on their systems. While Apple's latest Safari update (5.0.1) is supposed to address some stability issues with the program, a number of people are complaining of crashes. Here are some things you can try to hopefully clear these problems.
Safari connectivity issues: InputManager folder fix; cache fix
Instructions for blocking rollover "keyword" ads in Safari with the aid of PithHelmet.
Utilities Updates: miniStat2 1.83; iPod Photo Liberator 1.0; Classic Menu 2.7.6; more
Odds and Ends: Knowledge Base Updates
Problems and fixes related to Apple's beta browser.