When viewing reports there's an error in the Report List.
(0): error JS2008: Error saving compiled state: Access to the path c:\temp\RES8B7.tmp is denied.
The file name in the above error "RES8B7.tmp" will be a random name with a .tmp extention.
Permissions set on the temp directory specified in the error.
Once the permissions have been changed refresh the web report page.