Alright try clearing your temp folders including your Temporary internet folder.
A great way of doing this is as follows:
- Browse to the following location on your machine
- C:\Documents and Settings\*USERNAME*\Local Settings
- Delete everything inside the TEMP folder as well as the TEMPORARY INTERNET FOLDER.
Then open your internet explorer, go to Tools - Internet Options - Security and click on DEFAULT LEVEL.
Also scroll over to the Advanced tab and restore the default settings there.
Try your connection again.