This issue affects the following system configurations:
* Windows XP
* ATI CATALYST driver suite
Some users have reported that when trying to install the ATI Software, the following error message will appear:
"The Parameter is incorrect"
Not all systems are affected.
Allowing Full Control to the ATI Technologies registry key has been shown to address this symptom. To enable Full Control, perform the following steps:
Warnings:
The steps to configure the Windows Registry are provided AS IS and are NOT supported.
We strongly advise that you backup your system and any important data.
For more information, please see Description of the Microsoft Windows Registry.
To backup the Windows Registry,
1. Click START, select RUN, and type "REGEDIT"
2. From the menu bar, choose 'Registry', then 'Export'. Save the registry backup file to your desktop. Double-clicking the saved file will allow you to reverse any incorrect changes made to the registry.
To perform the changes,
* Click on the (+) icon next to the word "HKEY_LOCAL_MACHINE"
* Click on the (+) icon next to the word "Software"
* Right click on the "ATI Technologies" registry key
* Select Permissions
* Check Allow "Full Control"
* Click Apply and reinstall the ATI software