Error MSB6006: “mt.exe” exited with code 31

Question

I ran into this problem today while migrating a VS2008 solution to VS2010. The problem occurred in either of the following scenarios:

1. Rebuild Solution

Answer 1

I have a project (*.sln) written in visual studio c 8.0. It was migrated to VC10 recently. When I choose the "Release mode", it was compiled sucessfully. But if I choose "Debug mode", the error " MSB6006 mt.exe code 31" happened.

I found that, in the debug mode, it used a wrong sub-project to startup. After fixing the startup sub-project, it goes fine so far.

---- new status --- This won't fix the problem. It just makes the problem disapear temporalily by rebuilding-all. Also, there are other faults caused by the migration. The "resources.h" is missed from the new project and the "winres.rc" is shorten.