Optical mice do this occasionally, especially on mousepads that are reflective or have a textured pattern on them. In addition fine hairs can get lodged near the optical sensor of the mouse and cause this behavior. ________________________________ From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Tom Flanagan Sent: Thursday, November 25, 2004 12:28 AM To: thin@xxxxxxxxxxxxx Subject: [THIN] Crazy Mouse Syndrome Has anybody come across the scenario when citrix clients (full screen) running on windows PCs....occasionally experience the mouse just take of on them momentarily. A little bit of wiggling the mouse around gets your arrow back in the right spot but it is frustrating a few of my users. I also get the problem but it doesn't bother me too much. Site 2 Citrix Metaframe XPe FR3 on win2K sp4 Published Desktop Thin clients are XP, Notebooks, Desktops, optical mice Any tips would be appreciated.