This is well below the minima required to run XP
191.48 Mb Total Physical Memory | 80.79 Mb Available Physical Memory | 42.19% Memory free
Start OTScanit. Copy/Paste the information in the quotebox below into the pane where it says "Paste fix here" and then click the Run Fix button.
[Files Created - Additional Folder Scans - Non-Microsoft Only] NY -> prvlcl.dat -> %UserProfile%\Local Settings\Application Data\prvlcl.dat [Empty Temp Folders]
The fix should only take a very short time. When the fix is completed a message box will popup telling you that it is finished. Click the Ok button and Notepad will open with a log of actions taken during the fix. Post that information back here along with a new Hijackthis log.
I will review the information when it comes back in.
Also let me know of any problems you encountered performing the steps above or any continuing problems you are still having with the computer.
You may well need to consider getting more RAM