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When i start POL, i get this window with an error, but the window does not have a close button, and there is no way to close it,

the error in the window is

"XPM:Malfourmed colour definition at Line 2"

and if this error does not pop up, POL just closes itself and i have to restart it again.

How do i fix this?

and also How do i uninstall a program through terminal?

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