HijackThis Version 1.99.1 is available. Use the update mechanism in HijackThis to download it. Here's the change log from the program.

* Added Winlogon Notify keys to O20 listing
* Fixed crashing bug on certain Win2000 and WinXP systems at O23 listing
* Fixed lots and lots of 'unexpected error' bugs
* Fixed lots of inproper functioning bugs (i.e. stuff that didn't work)
* Added 'Delete NT Service' function in Misc Tools section
* Added ProtocolDefaults to O15 listing
* Fixed MD5 hashing not working
* Fixed 'ISTSVC' autorun entries with garbage data not being fixed
* Fixed HijackThis uninstall entry not being updated/created on new versions
* Added Uninstall Manager in Misc Tools to manage 'Add/Remove Software' list
* Added option to scan the system at startup, then show results or quit if nothing found