If you are trying to update Edge from an older version to a newer version and you download the in this case, the Enterprise edition and try to install it, you get this error:
Product: Microsoft Edge -- Error 1722. There is a problem with this Windows Installer package. A program run as part of the setup did not finish as expected. Contact your support personnel or package vendor.
Domain with GPO
If you are in a domain then there is a chance there is a policy that is preventing the update this will be particularly true if Edge does not appear in the app/remove programs (appwiz.cpl)
Check Registry
If this is the case then then you need to check where the Edge policies are defined and how they are set, so firstly check this location in the registry:
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\EdgeUpdate
Install/Update policy keys Detected
When I check this key out on my machine I notice that the value is set to this:
Decipher the codes
In this instance the Install and Update being set to "0" with a GUID so what is that GUID I wonder......
Well the GUID here is the code for the "Stable" GUID as you can see below:
(Stable): Install{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}
The value is also set to "0" which means:
If you disable (0) this policy for a channel (or set it to 'Installs disabled'), Microsoft Edge will be blocked from installation.
This means that any installs or updates to the "stable" release will be blocked from installation, hence the error message.
Fix the problem (not permanent in this case)
If you need to install this update then all you need to do is remove the registry key with with: