I recently upgraded to 10.04. Before the upgrade, I was using multiple windows, and I was able to drag applications across the windows. But, now the windows are locked. Further, the icon of the maximized window is not showing. Just a generic window icon.
closed as too localized by Luis Alvarado♦ Mar 14 at 17:04
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You need to be running compiz to drag windows across your virtual desktops.
Metacity doesn't have this behaviour (by default anyway), although you can change what workspace a window is on by right clicking the title bar.
To enable compiz:
If you meant monitors.
System > Preferences > Monitors
Make sure they are on and same Image on monitors is checked off.
If you meant workspace you can move any application by right clicking on the task bar and assigning it to the desired workspace.
Hope it works :)
Sounds like you window manager has died. This happend on a few machines for me when upgrading from 9.10 to 10.04. You can fix this by opening a terminal (application-accessories-terminal) and typing:
or if your graphic card supports 3D acceleration then tyrp:
then close all open windows and go to system-settings-start up programs-settings and press the button labled "Remember currently running programs".
I understand it like if you are using multiple workspaces
Drag windows over workspaces:
Note: In order to drag windows across workspaces you do not need 3d enabled.
Resetting the desktop switcher in the panel:
If your having multiple issues after upgrade to 10.04 i recommend doing a backup and reinstalling a fresh version of it. If it's only this you should be fine.