Launchbox License.xml Today

A: This is impossible—they share the same file. Restart both applications. If the issue persists, your license.xml may be an old Big Box-only license (before the products merged). Update via your account page.

Keep a safe copy of license.xml in a cloud drive or external storage.
If you lose it, you can always download it again from your LaunchBox account (no need to repurchase). launchbox license.xml

If you use cloud sync or backup, a copy may exist in that synced folder.

Big Box is the full-screen TV mode of LaunchBox Premium. If your license.xml is valid in the desktop version but Big Box says "Trial" or "Buy Now," try these steps: A: This is impossible—they share the same file

Symptoms: When you try to activate, LaunchBox says "Access Denied" or "Cannot write license file." If you use cloud sync or backup, a

Why it happens: Windows permissions. You installed LaunchBox in C:\Program Files (x86)\, which is a protected folder.

Fix:

A: No. Minor updates (e.g., 13.0 to 13.1) work fine. Major version jumps (e.g., 10.x to 13.x) may require an upgraded license if your "Forever" license was version-locked. Check your account.