Failed For License Type: 1 Result Code: 0xc03f6601: License Install

Temporary files in the Microsoft Store app preventing proper handshake protocols.

Error 0xc03f6601 is frustrating but rarely means your license is invalid. It’s almost always a from a previous installation. The Microsoft SaRA tool or manual removal of the licensing token store resolves it in most cases. If you’re in a corporate environment, contact your IT admin — they may need to reactivate your KMS host or assign a new MAK key.

: The device may be trying to activate via a Key Management Service (KMS) or Active Directory that it cannot currently reach.

Get-AppXPackage -AllUsers | Foreach Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml" Use code with caution. Temporary files in the Microsoft Store app preventing

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To avoid encountering this error in the future, make sure to:

typically appears in the Windows Event Viewer (under Microsoft-Client-Licensing-Platform) and is often associated with a failure to acquire or renew a digital license. Microsoft Learn The Microsoft SaRA tool or manual removal of

Get-AppXPackage -AllUsers | Foreach Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml" Use code with caution.

If this error appears in your Event Viewer or as a popup, try these standard repairs first: : Press Win + R to open the Run dialog. Type wsreset.exe and press Enter .

Copy and paste the following command into the window, then press Enter: powershell stopping new licenses from installing.

Fixing the "License Install Failed for License Type: 1 Result Code: 0xc03f6601" Error

The Microsoft Store cache is corrupt, stopping new licenses from installing.