IE Tweaker is a handy tool that can perform many tweaks and can fix various issues that you have with Internet Explorer. This portable, freeware tool has over 90 tweaks and fixes and will work with Internet Explorer 6, 7 and 8.
Some of the task that IE Tweaker can handle: Remove all the temporary IE files, cookies, history, passwords, and AutoComplete data.Lets you quickly turn off/on Smooth Scrolling, Clear type font, Animation, Sounds, Picture Display, Automatic Image resizing.
It also provides you various restriction options such as changing default search provider, Add-ons management, Auto complete features etc and restricts the users to change various settings.
It can also repair /fix various issues that you have with Internet Explorer like freezes while loading page, link opens in blank white page, etc. Full features and download at source.