Download, install and run Tune Up 2007 Trial
Run Tune Up disc clean up
Run Tune Up registry clean up
Disable the anti virus programme then click Optimize and Improve to run Reg Defrag, the screen will lose colour during the process which can take a few minutes and then needs a reboot
Check the anti virus programme is running
Those will have cleared the drive of obsolete software errors
These are suggestions for making the most of the free trial
Click optimize and improve then system optimizer to optimize the computer, select computer with an internet connection from the drop down menu, this also requires a reboot
After the reboot, click optimize then system optimizer to accelerate downloads, select the speed just above your actual connection speed, this requires a reboot.
After the reboot, click optimize then system optimizer to run system advisor