License Install Failed For License Type: 1 Result Code: 0xc03f6601 [2021] -

The error "License install failed for license type: 1. Result code: 0xc03f6601" typically occurs when the Windows Client Licensing Service fails to acquire or apply a digital license, often after a major system update, a clean install, or an edition upgrade (e.g., Home to Pro). It is frequently associated with the Microsoft Store getting stuck on the "Acquiring license" stage.  Immediate Fixes 

Understanding the Error Code

1. Checking the registry: Verify that the registry entries related to licensing and activation are correct and not corrupted.
2. Deleting license cache: Clear the license cache to remove any stale or invalid license information.
3. Re-registering licensing components: Re-register the licensing components to ensure they are properly registered.

After analyzing various reports and user feedback, we've identified some common causes of the "License Install Failed for License Type: 1 Result Code: 0xc03f6601" error: The error "License install failed for license type: 1