: Resolves an issue where running "Update DRC" would erroneously remove Via List DRC errors even when the via was not present.
: Fixes the "Update Cache" functionality, which in some 16.5 versions failed to correctly apply footprint name changes to existing part instances.
: Follow the wizard prompts to update your existing installation directory (usually C:\Cadence\SPB_16.5 ). Method 2: Manual Directory Replacement (Advanced)
OrCAD 16.5 Hotfix SPB 16.5 Updates: Key Fixes & Installation Guide
: Browse to your downloaded hotfix folder and run setup.exe as an administrator.