game won't open

[munchkin]

HELP!!! I can't play RO.
After patching, I can't play it anymore. It won't open but when I visit task manager it's running but it doesn't appear on my screen. what should I do?
PLEASE!!!

[GM-Pandora]

Go into your RO folder and set heropatcher, hero and setup to run "as administrator", then run setup and make sure your graphic card is selected along with a screen size.

[munchkin]

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[Laenaya]

If you're using Windows 8 and running it in full screen, try switching to windowed mode to see if it helps. If it was installed in "Program Files", try moving it out as well, running as admin inside that folder tends to not work.