Edit mspclnt.ini c.reinstall application d.uninstall client and reinstall the proxy client. Restart web proxy service. Set ache size to zero d. Remeber when NTCR is used, the user is not prompted to any authentication, but when he first logged on to NT domain, the credentiaals supplied at that point would be used. One thing sure, whatever is sent, is sent in encrypted form, NTCR always encrypts.
Updates are more important.
Enable active caching. When active cahing is enabled, it automatically adjusts itself to get more refreshed material during the time of less activity. Say it can detect when it should contact the internet and when to try to avoid. Construct a new lat. Reinstall default plugins.