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If the AnyConnect client is currently open, close it.
You'll also need to ensure that AnyConnect is not running in background. If the AnyConnect icon is in the bottom-right of your taskbar, right-click and choose Close.
Navigate to the following folder in Windows Explorer - C:\ProgramData\Cisco\Cisco AnyConnect Secure Mobility Client\Profile
Once there, delete any files that end in .XML.
Once you've done that re-open AnyConnect, type in the URL of the Realm you're looking to connect to, and click Connect.
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