06 Jul IE8 customization and browser compatibility
When testing for browser compatibility, you may come across instances where a client has the same version of IE8, yet they are seeing a different response to the page rendering. Be aware that IE8 can be customized at a user level via administrative tools. This level of customization may interfere with standard browser compatibility testing.
Example of IE8 non-customized:
Example of IE8 customized:
NOTE: You can tell this version has been customized because of the extra characters at the end of the release version.
For more details, view the technical bulletin: http://support.microsoft.com/kb/969393