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

might be hung or disabled, preventing the background license check. MFA Conflicts

Because the operating system treats subscription upgrades as digital store assignments, a broken Microsoft Store framework directly impedes license type 1 validation. Open as an Administrator.

, this code is not typically listed among common public Windows activation errors (like 0xC004C003 ). This suggests the error is not a simple "invalid product key" issue, but a problem that usually requires an environment or system file-level fix.

A mismatch between the Microsoft Account logged into Windows and the one logged into the Microsoft Store. might be hung or disabled, preventing the background

To minimize the chances of recurring licensing errors, ensure your system remains optimized for Microsoft’s ecosystem:

Windows stores licensing data in two primary locations:

Follow these solutions in order, as the earlier ones are simpler and often fix the issue. 1. Perform a Microsoft Store Cache Reset , this code is not typically listed among

Once the DISM process reaches 100%, type the following command and press : sfc /scannow Use code with caution. Restart your computer after the verification completes. 6. Sign Out and Re-Sign Into the Microsoft Store

Wait roughly 10–30 seconds. The window will close automatically, and the Microsoft Store will open. 3. Verify and Restart Windows Licensing Services

Before jumping into solutions, identify the likely culprit from this list: To minimize the chances of recurring licensing errors,

Installing a version of Windows that doesn't match your product key is another frequent culprit. For instance, you might have a digital license for Windows 11 Home, but your system is running Windows 11 Pro. The activation will fail until the installed edition matches the license.

Set the Startup type to or Automatic . If the service is stopped, click Start .

Reinstall your valid product key. Replace XXXXX-XXXXX-XXXXX-XXXXX-XXXXX with your actual 25-character key:

Click the three dots (...) next to it and select . Scroll down and click Repair . Test your application.