If you have installed internet explore and want to uninstall and roll back follow this method and it will be same in windows 7 and server 2008.
1. Click on start and open control panel and select program and features. You can direct type in start search program and features.
2. Then click on view installed updates.
3. Then scroll and find installed internet explorer 9 and now click on uninstall and select yes.
4. It will uninstall in few second, now you can select restart now or restart later.
