1 File Failed To Validate And Will Be Reacquired ((top)) Jun 2026

When you see the notification it indicates that a game client (most commonly Steam) has performed a file integrity check and discovered a discrepancy.

When you use the "Verify Integrity of Game Files" feature, Steam compares the files installed on your computer against the master files on the Steam servers. It checks for missing files, corrupted data, or incorrect file sizes. 1 file failed to validate and will be reacquired

The infamous Steam error message: "1 file failed to validate and will be reacquired." When you see the notification it indicates that

In many cases, seeing this message once is actually normal. But if your game isn't working, the "failed file" is likely a symptom of a deeper issue. Step 1: The "Ignore It" Test 1 file failed to validate and will be reacquired