Sophos SSL VPN installer won't run on latest Windows branch

Question

On a brand new fresh install of Windows 10, branch 2004 (OS build 19041.572), the Sophos SSL VPN "Client and Configuration" will not install. It just says "This App cannot run on your PC". I have tried: 
 -Various compatibility modes 
 -"Unblocking" the app in properties 
 -Running as admin 
 
 I also tried installing OpenVPN separately and downloading config, this resulted in the installer failing. I tried downloading "for other OS's" to get the .ovpn file and this also failed, with "Could not generate config file. Please contact your Administrator." 
 Any assistance is appreciated. Thanks!

FormerMember · Answer

Hi IT IT5 , 
 Check out the following Recommended Reads; it has a screenshot of the default certificate filled out. 
 Sophos XG Firewall: Troubleshooting 0 Byte SSL VPN File . 
 Thanks,

LHerzog · Answer

It would be exciting to know, if the installer worked on older versions of Windows 10. Or is this the first test of installations? 
 You wrote you tried to install OpenVPN - do you mean OpenVPN downloaded from internet or the client from your appliance? 
 You can also install the public OpenVPN Client and just import the config file - did you try this? 
 https://openvpn.net/community-resources/how-to-install-the-openvpn-gui-on-windows/ 
 And look there in step 6 - this is the installer's certificate which may make trouble, if it is not trustworthy.

John Henry Vindas Carballo · Answer

Hello, 
 I had a similar issue before. 
 Tried to install it in different PCs and always got the "This App can't run on your PC", check if your .exe size is 0 bytes. 
 In my case, all the files sizes from the SSL VPN tab on the User Portal were 0 bytes and that happened because the pattern for all the modules (including SSLVPN Clients) failed to download and install. 
 I went to System Services > Services and restarted all of them. I hope you have solved your issue by now.

Sophos SSL VPN installer won't run on latest Windows branch

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