It's very difficult to understand the underlying problem from your description. Since the application has been working for you before I'm going to say the problem is with your computer.
Have you tried deleting and re-downloading the application? Maybe a reboot will fix the problem
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I've found a possible solution to this. Open up mouse controller and then in your task bar, shift+right-click on it, then click on move. After that don't move your mouse at all and instead use your arrow keys to try and move it into the frame. For me it was hidden on the top left of my window out of frame and I just had to move it back in.
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Even if I start it, it looks like an attachment and I can no longer use it.
I was able to use it normally until the other day
Is there a workaround?
It's very difficult to understand the underlying problem from your description. Since the application has been working for you before I'm going to say the problem is with your computer.
Have you tried deleting and re-downloading the application? Maybe a reboot will fix the problem
I deleted it and reinstalled it, but the situation did not change.
I've found a possible solution to this. Open up mouse controller and then in your task bar, shift+right-click on it, then click on move. After that don't move your mouse at all and instead use your arrow keys to try and move it into the frame. For me it was hidden on the top left of my window out of frame and I just had to move it back in.