Unable to sign assembly: <error message>

The Visual Basic compiler calls the Assembly Linker (Al.exe, also known as Alink) to generate an assembly with a manifest. The linker has reported an error signing the assembly after it was created. This might be due to an invalid key.

Error ID: BC30146

To correct this error

  1. Examine the quoted error message and consult the topic Al.exe Tool Errors and Warnings for further explanation and advice.

  2. If the error persists, gather information about the circumstances and notify Microsoft Product Support Services.

See Also

Reference

Assembly Linker (Al.exe)

Al.exe Tool Errors and Warnings

Other Resources

Product Support and Accessibility