I am hoping someone can give me some information on this problem I am having. I am running Windows NT 4.0 with service pack 3, and am experiencing a problem when I try to run a rather large program. The system will freeze, or lock-up. In the event viewer I keep seeing the error message: "The ring buffer that stores incoming mouse data has overflowed (buffer size is configurable via the registry), is this causing my problem with the system locking up? I would greatly appreciate any feedback. Thanks all......