The file or directory is corrupt and non-readable. (possibly in Visual Studio and TFS Build broke)

Problem found

<drive>:\<folder> is not accessible    The file or directory is corrupt and non-readable.The file or directory is corrupt and non-readable. The file or directory \<folder> is corrupt and unreadable.    Please Run the Chkdsk utility.

Was causing build to fail. Some how system had created a badly named file RoqteOpsData where the q should have been a u

Resolution

http://support.microsoft.com/kb/176646

Attempt to repair the damaged file, folder or file system index using Chkdsk. To do so, follow these steps:

1. Click Start, and then click Run.
2. In the Open box, type chkdsk /f <drive>:,   where <drive> is the letter of the drive on which the damaged file,   folder or file system index exists.
3. Click OK.