I'm far from a Vista Guru, but I AM a tech that has to support PC's running Vista 32 and 64..... from that list of stuff running on the PC in question, I did notice "ZA"......
With Vista you get a good bi-directional Firewall, SO, there is NO reason at all to run a resource hog like the ZoneAlarm firewall.
Laptops don't run very efficiently anyway and then when you load them down with needless programs running in the background, they run even worse.
A part of my setup procedure for Vista is to disable 22 UN-Needed services that normally run in the background. Then I tweak the registry to increase ram efficiency with the OS.
Look at your Startup folder in MSCONFIG and disable any Reminders, Schedulers, or Updaters that may have been installed there by programs you've installed or updated. Java, Real Player and Quick Time are examples of programs that install stuff in your Startup Folder. Remove them from there.
If you install an update and then notice problems, use the System Restore feature to 'GO BACK' to before the update and see if that solves the problem. Often it will!
These internet forums are full of tutorials on "How to get the best performance from your PC". I've written a few myself.
Good Luck,
The Shadow
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