When you try to install the app using the Get App or App Installer options, but get the following error messages:

Sys Model: Dell Precision 5540 - Windows 10

When you attempt to restart the system but the installation continues to fail.

1. Extract the zip file to a local folder in the system.
2. Open the extracted folder and navigate to the following directory from the extracted location.
   zohouwpmailsuite {Version} > windows > ZohoWinMailPackage_{Version} > Dependencies>x64
3. Double-click on Microsoft.NET.CoreRuntime.2.2 and select Install.
4. Double-click on Microsoft.NET.CoreFramework.Debug.2.2 and select Install.
5. Navigate back to ZohoWinMailPackage_{version} folder and find the Install.ps file.
6. Right-click on the Install.ps file and select Run with PowerShell.
7. The PowerShell window will open to show the progress of the installation process.
8. If the following Execution Policy Change message is displayed in the PowerShell window, type Y and hit Enter. Otherwise, the PowerShell window will open to show the progress of the installation process.
   

   Execution Policy Change

   The execution policy helps protect you from scripts that you do not trust. Changing the execution policy might expose you to the security risks described in the about_Execution_Policies help topic at https:/go.microsoft.com/fwlink/?LinkID=135170

   Do you want to change the execution policy?

   [Y] Yes [A] Yes to All [N] No [L] No to All [S] Suspend [?] Help (default is "N"):

9. If the option to install a certificate appears, type Y and press Enter.
10. Click Enter to launch Trident.