Step 1: Stop all Windows programs as well as the Web server.
Step 2: Select Windows Start | Control Panel; under Programs, click Uninstall a program; select Appeon PowerServer Web Component 2017 and click Uninstall to begin the uninstall process.
Step 3: Click Next and then OK to confirm the removal of PowerServer Web Component.
Step 4: Click Finish when the uninstallation is complete.