License Install Failed For License Type: 1 Result Code: 0xc03f6601 Jun 2026

Right-click it and select . If it is not running, click Start .

Right-click the button and select Terminal (Admin) or PowerShell (Admin) . Copy and paste the following command, then press Enter : powershell

In the real world, error typically triggers when the Windows Store or Microsoft Account sign-in service hits a wall. It usually means:

The error is rarely fatal and can almost always be fixed by clearing the Store cache ( wsreset ) or refreshing your account credentials. Right-click it and select

Scroll down to find (or Windows Update if Store Apps isn't listed) and click Run . Follow the on-screen instructions and restart your PC. Method 2: Reset the Microsoft Store Cache (WSReset)

This specific error indicates that the Windows operating system cannot validate your digital entitlement to the software. Here is a comprehensive guide to understanding why this happens and how to resolve it permanently. What Causes the 0xc03f6601 License Error?

If the background services tasked with managing digital purchases are stalled or disabled, licenses cannot install. Press , type services.msc , and press Enter . Scroll down and locate the Windows License Manager Service . Right-click it and select Properties . Copy and paste the following command, then press

Reboot your system after the verification finishes to let Windows replace any damaged files. Summary Checklist

Incorrect time settings can cause security certificate validation failures, which will block license acquisitions.

The "license install failed for license type: 1 result code: 0xc03f6601" error is usually solvable with the methods above. Start with the simpler fixes, such as running the troubleshooter and resetting the Store cache, before moving on to more advanced steps like repairing system files. Following the prevention tips will help you avoid the issue in the future. Follow the on-screen instructions and restart your PC

Is this error happening on a or an enterprise-managed environment (Intune/Entra ID)?

Open the . Ensure the exact same Microsoft account is signed in.

Your device's time/date settings are incorrect, preventing a secure connection to Microsoft servers.