|I would only guess one of a few things could cause that. |
Try a restore point to a time when it worked maybe for the first try. See help and support for restore point. It should allow you to go back in time when the mouse did work.
I guess you could get a new mouse too and try it.
1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.