Verbum "Unable to Connect" error

I've been using Verbum desktop on Windows 10 for years, and all of the sudden I'm unable to log in. Details below:

Verbum 7 screen pops up, disappears, then a window indicating "Unable to Connect" is displayed
If I click "Work Offline" the program crashes
Windows 10 is fully up to date
VerbumCrash.txt is showing error 1355 (Error detail: KeyNotFoundException: The key was not found in the collection)
Verbum.log is showing:

Error ApplicationUtility Error building request (POST https://auth.logos.com/oauth/v1/users/signin?allowSession=False). ~WebException: The underlying connection was closed: An unexpected error occurred on a send.
Error WebServiceClient There was an error while signing in: Error building request. Request: POST https://auth.logos.com/oauth/v1/users/signin?allowSession=False

Anyone have a solution to this problem?

Thank you!

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Copying the reply from Bradley found here:
https://community.logos.com/forums/t/176700.aspx

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We recently implemented some server-side security changes that require TLS 1.2, which is only supported by the latest Logos 7 desktop software: https://community.logos.com/forums/t/173472.aspx

Please make sure you're running the latest version of Logos 7 by installing it from: https://www.logos.com/install-logos-7

Though the Verbum install would be found here. Sorry I forgot that there was a separate installer.
https://support.verbum.com/hc/en-us/articles/360020503952-TLS-Security-Update

That solved it.

Thank you!