Try this:
1. Click Start, click Run, type: %temp%, and then click OK to open the Temp folder.
2. In the Temp folder, on the Edit menu, click Select All, press the DELETE key, and then click Yes to confirm that you want to send all the items to the Recycle Bin.
3. Click Start, click Control Panel, and then double-click Internet Options.
4. On the General tab, click Delete Files.
5. Click to select the Delete all offline content check box, and then click OK.
6. Click Start, and then click My Computer.
7. Right-click the drive that you want to clean, and then click Properties.
8. Click Disk Cleanup to run the Disk Cleanup tool again.
Dan