<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:verdana,helvetica,sans-serif;font-size:10pt">When encountering this, I thought that it might be due to our two laptops connected together as friends. When the jumpy laptop deleted the other laptop as a 'friend', the mouse immediately began to operate normally.<br><br>I have not yet tried any of the suggested methods to address this problem<br><div> </div>Jerald Josephs<br><br></div></body></html>