Today I hopped back into Visual Studio 2012 to update a project from TFS. To my surprise, I was greeted with the following error:
After some unsuccessful online searching, I used a snippet I had found within an MSDN forum post. It mentioned to delete the workspace cache from the machine at C:\ProgramData\Microsoft\Team Foundation\… As I navigated through, I noticed the C:\ProgramData\Microsoft Team Foundation Local Workspaces folder instead. After exiting Visual Studio, removing the folder, and trying it again, it worked.