You reinstall the Device Administrator to replace your current installation with a fresh copy.
Double-click on the Device Administrator installation file to start the installation wizard.
Click Yes to confirm that you want to run the Device Administrator installation package.
Click Next .
Make sure that you agree with the End User License Agreement (EULA) and then click I Agree .
Click Next .
In the Device Administrator Installation Type page, select Uninstall current version before reinstalling .
Click Next .
Click Uninstall to remove the current installation.
Click Close .
Click Show details to follow the progress of the installation.
In the Installation Complete page, click Next .
Click Finish .