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Fatal Error C1090

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PDB API call failed, error code 'error-number': message

An error occurred in processing a PDB file.

Error C1090 is a catch-all for uncommon compiler PDB file errors that aren't reported separately. We only have generic advice for resolving this issue:

  • Do a clean operation in your build directories, and then do a full build of your solution.

  • Reboot your computer, or check for stray or unresponsive mspdbsrv.exe processes and kill them in TaskManager.

  • Turn off antivirus checks in your project directories.

  • Use the /Zf compiler option if using /MP with MSBuild or another parallel build process.

  • Try building by using the 64-bit hosted toolset.

For more troubleshooting or workaround information, search for this error on Developer Community or Stack Overflow.

You can also report the issue on Developer Community. For more information, see How to report a problem with the Microsoft C++ toolset.