Terraria and Blockscape.
It's a .net error, and I've looked around but I haven't been able to find a solution. I uninstalled .net framework 4 after the error, and then it said I needed to install it(evidently), so I reinstalled it and I still get this error.
Running windows 7 Ultimate 64 bit.
Edited by ZlobIsFun, 13 July 2012 - 11:16 AM.