# Verify game files

**1)** Run your Blizzard Battle.net client.

<figure><img src="https://2007906425-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FyPLYhm7arb9XocfSD0LN%2Fuploads%2F4kXmi3VJkdTFWD8sR3YO%2Fbnet%202.png?alt=media&#x26;token=11179885-c8c6-411b-9615-e0fdd166de9a" alt=""><figcaption></figcaption></figure>

**2)** Click **Call of Duty** in the left pane. Then, click **Options** and select **Scan and Repair** from the drop-down menu.

<figure><img src="https://2007906425-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FyPLYhm7arb9XocfSD0LN%2Fuploads%2FRw75cl3vizG4gc0CVRjY%2Fbnet%203.png?alt=media&#x26;token=b19a6cbe-e355-471c-b446-54f734f0dcf6" alt=""><figcaption></figcaption></figure>

**3)** Click **Begin Scan**.

<figure><img src="https://2007906425-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FyPLYhm7arb9XocfSD0LN%2Fuploads%2FVlF6hqLLanTcU1vlmw4a%2Fbnet%204.png?alt=media&#x26;token=10ec6b63-b81f-429a-8422-a636798f9228" alt=""><figcaption></figcaption></figure>

Relaunch the game after the process finishes, and see if everything goes back to normal. If COD keeps crashing, head to the next fix below.