Windows

To resolve this issue, use one of the following methods:
Method 1
Click the program's button on the taskbar.
Right-click the program's button on the taksbar, and then click Move on the menu that appears.
Move the mouse pointer to the middle of the screen.
Use the ARROW keys on the keyboard to move the program window to a viewable area on the screen.
Press ENTER.
Resize the window if necessary.
Method 2
Click Start, point to Settings, and then click Control Panel.
Double-click Display, and then click the Settings tab.
Under Desktop Area, move the slider to the right. If you are unable to move the slider to the right, the display is already at the highest resolution supported by your display adapter and monitor.
Click Apply, and then click OK when you are prompted to change your display settings.
If you are satisfied with the display resolution, click Yes when you are prompted to save the settings, and then click OK.
Restart your computer.
Start the program. If the program is in a viewable area on the screen, move the program window to the center of the screen.
Quit the program, and the follow steps 1-6 to change your display settings back to your original display settings.
Method 3
Use the right mouse button to click the program's button on the taskbar, and then click Close on the menu that appears. If the Close command is not available, click Maximize, and then quit the program.
Quit all other running programs.
Use Registry Editor to delete the Settings value from the appropriate registry key for the program you are using. For example, if you are using Microsoft Word, delete the Settings value from the following registry key: Hkey Current User\Software\Microsoft\Word\<version>\Data

Quit Registry Editor.
Start the program.

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