Install app certificates on Windows
To run an app package that is not coming from Microsoft Store, a certificate needs to be installed on the machine beforehand.
Following are the steps to install the bundled certificate for the IIUM Schedule app.
Right-click the installer (
.msix
file) to open its Properties. Then, go to the Digital Signatures tab.Double click on the certificate
Then, click on the View Certificate
Click on the Install Certificate...
A Certificate Import Wizard will pop up. In the store location, change to Local Machine.
Click the Place all certificates in the following store button. Then, click on Browse...
A popup window will show displaying all the machine's certificate folders. Select the Trusted Root Certification Authorities. Then, click OK
Click Next
Click Finish
A dialog will show to indicate the certificate installation is successful. Click OK to close it.
Close all the properties & certificate windows.
Finally, re-run the installer. There should be no error message etc. Click on Install to finish the installation.