The MathType icon is in the taskbar but MathType won't open when I click it

The information on this page applies to:
MathType for Windows

You're trying to open MathType, and can see its icon in the Windows Taskbar, but when you click the icon, the MathType window won't open:

MathType is visible on the taskbar

In fact, MathType is already open. The blue line beneath its icon on the taskbar is an indication of this. The reason the MathType window won't respond to clicks is a combination of 2 things, described in the next section.

MathType is already open, but Windows thinks you're using multiple monitors. Maybe you are, maybe you aren't, but the solution is the same.

  • Click the Windows Notifications icon, Windows Notifications icon, in the lower right of the taskbar..
  • There will be a group of Windows Settings buttons at the bottom of the Notifications pane. Click Project:
    The Project button is the lower left of the 16 Settings buttons.
  • In the Project pane, click PC screen only:
    "PC screen only" is the top of 4 options in the Project pane.
  • Once you do that, the MathType window will either be visible so you can close the dialog, or you'll be able to click its icon in the Taskbar to bring it to the front.

If you want to use multiple monitors after you do these steps, you may change your display configuration back to what you want it to be. MathType should behave after that.


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We hope this has been helpful. As always, please let us know if you have questions about this, or if you have additional techniques that work. We'd love to hear from you.