Confirmed as described.
8.10 -> 9.04 upgrade, proprietary nvidia drivers, screen effects on. Fails on WinXP->tightvnc->9.04, WinXP->realvnc->9.04, WinXP->ultravnc->9.04, 8.10->Remote Desktop Viewer->9.04
Works in all cases when screen effects switched off.
Confirmed as described.
8.10 -> 9.04 upgrade, proprietary nvidia drivers, screen effects on. tightvnc- >9.04, WinXP-> realvnc- >9.04, WinXP-> ultravnc- >9.04, 8.10->Remote Desktop Viewer->9.04
Fails on WinXP->
Works in all cases when screen effects switched off.