It can also be that the later versions use .net framework 2 or are not suitable for the video card so you can check that at the ATI site
If you do need to change anything, download the previous version here, save to a folder you create
http://www.filehippo...d_ati_catalyst/Start the PC in safe mode with networking, check that nothing connects to the internet, use add and remove to run ATI software uninstaller, reboot to normal mode, install the drivers you downloaded
This is optional if you want to download Tune Up first to run it in between removing the drivers and installing the replacement ones
Prefetch is clickable for more information
Click start then run, type prefetch then press enter, click edit then select all, (all files will highlight), right click any file, click delete, confirm
Click start then all programmes, accessories, system tools to run disc clean up
Reboot
Click start then all programmes, accessories, system tools to run defragmenter
Download, install and run Tune Up 2007 TrialRun 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