Cleaning procedure didnt help

hey. this is the second time i come here and do the procedure. first time worked great, but after a while i got the same problem back.

Every time i open the computer i get a "windows explorer has encoutered a problem..." error. I cant open any explorer feature, as in internet (using firefox works), my computer, or any folder from the desktop. sometimes drwatson debugger appears with an error.

whats doing this? how can it be solved?

I use windows xp sp2, Nod32 is my antivirus and Online Armor my firewall. I use a router that has NAT as protection.
I've got spyware S&D immunization and Spyware Blaster, as you recommended.


thanks in advance. logs attached.

 

another log.

 

alright thanks!