Fatal Error Renderer 0 level editor

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I read as much as I could about the
Fatal Error Renderer 0 problem.
But I could not find any results for this happening to level editor when I searched the forums.
I believe my mistake was, I set the level editor to a resolution and screwed it up like that. I can not start the level editor at all so I can not reset the resolution. I tried uninstalling everything and reinstalling with no luck.
I am having this problem with the level editor ONLY, not the game, so I can't reset resolution from the launcher.
I updated my graphics card, and still no luck.
I own an ATI 2600xt HD card, not the x-series.
I didn't think the log would help since it doesn't record level editor problems from what I can see, but if it is needed I will post it.

Please help, I can not continue work on my custom level anymore.

Update: I figured out how to fix it thankfully, in the HPL2 folder in my documents I just edited the leveleditor.CFG.<Screen Width="1280" Height="800" Fullscreen="" TexQuality="0" />