After completion, you should see:
Even with a perfect "team r2r reason rack extension cache builder install," you may encounter issues. team r2r reason rack extension cache builder install
| Error Message | Likely Cause | Solution |
| :--- | :--- | :--- |
| "Invalid REX Cache Signature" | Reason updated automatically, breaking the patch. | Re-run the patch and rebuild the cache. Disable auto-updates. |
| "Extension fails to load UI" | Graphics driver mismatch or missing VC++ runtimes. | Run vcredist_x64.exe from the R2R folder. |
| "Cache Builder cannot find REs" | You installed REs to a custom VST folder, not the global RE folder. | Move RE folders to ProgramData\Propellerhead Software manually. |
| "Clicking noise in audio" | The emulator is conflicting with ASIO drivers. | Try increasing buffer size; or run the emulator in "Low Latency Mode" if available. | After completion, you should see: