I create vspackage editor for vs2010 and vs2012. All works fine, and this day i try to fix bugs and reinstall again. It is works fine in VS2012, but got error in VS2010, package fail to load. I think it is not my package problem since it works fine in VS2012,
maybe there is cache error in VS2010.
I dont know what problem cause the error, since I don't change registry for VS2010, because it worked fine before. I try to do devenv /installvstemplates, /setup and /resetskippkgs and nothing can fix this.
It's hard to be advanced programmer