While adding the PhishArm Add-In to Microsoft Outlook, you may encounter the following error.
This error can be caused due to various reasons while using Outlook including but not limited to:
1. Corrupted Legacy Edge runtime
2. Disable Protected mode
3. Edge Browser or Internet Explorer is not working
4. MS Desktop App Web Viewer
You can resolve the errors above by identifying the exact nature of the issue and following their resolution below.
The first step is to determine the versions of Windows OS and MS Outlook that you are using. These versions define which native Microsoft browser is used to render MS Outlook Add-Ins (It could be MS Edge or MS Internet Explorer)
See this Microsoft article to find out which Microsoft browser is used in your system based on your Windows version and Office package version combination. Users running the latest Windows 10 and Microsoft 365 Office updates typically have their Add-Ins rendered by MS Edge.
1. If your browser is determined as Edge
a. Close all MS Office apps running in your system, including MS Outlook
b. Run the following cmdlet in Windows PowerShell or command line on your PC, with Admin permissions:
powershell Add-AppxPackage -register -disable c:\windows\SystemApps\Microsoft.Win32WebViewHost_cw5n1h2txyewy\AppxManifest.xml c. Open MS Outlook and click on Phisharm to see if the issue was resolved
2. If none of the Microsoft Add-Ins work or Sidebar controls become unclickable
Close all MS Office apps running in your system, including MS Outlook
Close MS Edge browser windows, if any are opened
Navigate to Control Panel → Programs → Programs and Features
In the list locate Microsoft EdgeWebView2 Runtime
If present :
Right-click over Microsoft EdgeWebView2 Runtime.
Select Change.
On the pop-up, select Repair.
if not present:
Download MS Edge Webview from this Microsoft resource for versions compatible with your architecture
Install the downloaded executable file
Open MS Outlook and click on Phisharm to see if the issue was resolved
3. Enable Protected Mode in the Internet Zone under Internet Properties
Microsoft renders Add-ins using Internet Explorer for users on older versions of Windows and Outlook.
Open Internet Options (press Windows key + R, type inetcpl.cpl and press Enter key).
Select the Security tab.
Select Internet from the available zones.
Tick Enable Protected Mode and click OK.
Relaunch Outlook and try again.
If the issue persists reboot your computer and try again
4. Enable Protected Mode in the Restricted Sites Zone under Internet Properties
Microsoft renders Add-ins using Internet Explorer for users on older versions of Windows and Outlook.
Open Internet Options (press Windows key + R, type inetcpl.cpl and press Enter key).
Select the Security tab.
Select Restricted sites from the available zones.
Tick Enable Protected Mode.
Relaunch Outlook and try again.
If the issue persists reboot your computer and try again
5. Enable Protected Mode in the Trusted Sites Zone under Internet Properties
Microsoft renders Add-ins using Internet Explorer for users on older versions of Windows and Outlook.
Open Internet Options (press Windows key + R, type inetcpl.cpl, and press Enter key).
Select the Security tab.
Select Trusted sites from the available zones.
Tick Enable Protected Mode.
Click the Sites button.
Enter https://*.right-hand.ai to the list.
Relaunch Outlook and try again.
If the issue persists reboot your computer and try again
6. Reinstall Edge Browser
1. Open a command prompt with administrative privileges and execute the following command to uninstall the Edge browser. where XX.X.XXX.XX is the version of outlook that you have
"C:\Program Files (x86)\Microsoft\Edge\Application\XX.X.XXX.XX\Installer\setup.exe –uninstall –system-level –verbose-logging –force-uninstall"
2. In order to install it again, navigate to Microsoft's Edge page.
3. Click the START MICROSOFT EDGE button and then follow the onscreen instruction to download the latest version of the Edge browser.