Internal Error: Sub-system: PDB, File: /quartus/db/pdb/pdb_archive.cpp, Line: 2851

Description

This error may be seen when opening an existing project or creating a new project in the Quartus® II software version 11.0 SP1 when the device installation files have been corrupted.

Resolution

To work around this problem, uninstall and reinstall the Quartus II software version 11.0 SP1.