Which firewall and antivirus are you using? Make sure you have both installed and that they are both up to date.
This could take several runs to fix.
First download these tools, install them and scan your computer with each one on their default settings.
1. Superantispyware >
http://www.superantispyware.com/
2. AdAware >
http://www.lavasoftusa.com/products/ad_aware_free.php
3. Ccleaner > Get Ccleaner here but ensure you install it WITHOUT the optional Yahoo Toolbar download (you must untick/uncheck the relevant box on download)
http://www.ccleaner.com/
Your Java is way, way out of date. Older versions have vulnerabilities that malware can use to infect your system.
Please follow these steps to remove older version Java components and update.
Download the latest version of Java Runtime Environment (JRE) 6 to your desktop from here
http://javadl.sun.com/webapps/downlo...BundleId=12798
Close any programs you may have running - especially your web browser.
Go to
Start >
Control Panel double-click on
Add/Remove programs and remove all older versions of Java.
Tick/check any item with Java Runtime Environment (JRE or J2SE) in the name.
Click the
Remove or
Change/Remove button.
Repeat as many times as necessary to remove each Java versions.
Reboot your computer once all Java components are removed.
Then install the newest version by double-clicking the update file you just downloaded to your desktop.
When done please post back and answer the above questions.
Post a fresh HJT log with an update on how the machine is working now.
OJ