Please follow the steps below to Reinstall the Pervasive Engine - 1. Open the Sage installation folder on the path- C:>Sage >Sage 100 20XX 2. Browse to the folder named Pervasive Min 3. Run the MSI 4. Click Next 5. Accept the license agreement 6. Click Next 7. Click on Run as a Service 8. Click Next 9. Click on Complete 10. Click Next to proceed 11. Click the Install tab to initiate the installation  12. Wait till the installation is complete 13. Click Finish 14. Now try to install the software