| Issue | Likely Cause | Solution | | :--- | :--- | :--- | | Plugin still asks for serial/activation | Certificate installed wrong store | Reinstall to Local Machine (Windows) or Login (Mac) | | "Windows protected your PC" (SmartScreen) | Certificate not recognized by Microsoft Cloud | Click "More info" then "Run anyway" | | DAW crashes on plugin scan | Conflicting old certificate version | Uninstall OLD R2R certs from MMC before installing NEW one | | Certificate file missing from download | Antivirus quarantined it | Restore from quarantine or redownload with AV off |