FIX: Patched Windows boot loader detected [Game Launch]

Aleksandar Ognjanovic
by Aleksandar Ognjanovic
Troubleshooting Expert
Aleksandar's main passion is technology. With a solid writing background, he is determined to bring the bleeding edge to the common user. With a keen eye, he always spots the next big thing surrounding... Read more
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  • Many gamers have complained about various Easy Anti-Cheat error messages.
  • The game integrity issues can trigger the Patched Windows boot loader detected error message.
  • Check out our Gaming section to discover the latest news, best guides and reviews for an ultimate gaming experience.
  • Take a look at our Fix Hub for helpful solutions to many other tech-issues.
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More and more game studios implement various anti-cheating software with the EAC (Easy Anti-Cheat) leading the group.

In the most likely scenario, users will hardly know this service is working in the background. However, on some occasions, it shows peculiar errors, like Patched Windows Boot Loader detected.

This insinuates that you’re running a pirated version of the system, which breaks the game’s agreement terms.

We provided some solutions for this ache, but the fact is that you won’t be able to remove this service. If you’re seeing this error regularly, advance through the list of solutions we provided below.

How do I fix the Patched Windows boot loader detected error?

1. Scan for malware

  1. Press the Windows Key + I to open the Settings app.
  2. Go to the Update & Security section.
  3. Select Windows Security from the left panel.
  4. In the right panel, click on Open Windows Defender Security Center.
  5. Select the Virus & threat protection, and click on Quick scan.

Malware can cause this and similar errors. Making sure that your PC is protected from the effects of the malware presence is of utmost importance. In this case, we recommend a full scan.

This feature is available on the built-in protective software Windows Defender, or with a third-party antimalware solution.

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2. Restart your PC

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The simplest solution of them all. After a system reboot, lots of affected users resolved the error and were able to access the Steam and EAC-covered (Easy Anti-Cheat) games.

Close everything and restart your PC. After that, the problem with EAC and the patched loader detection error should be addressed.

On the other hand, if you’re still having a hard time starting the games and the error is persistent, move on with the steps below.


3. Insert the license key

Run a System Scan to discover potential errors

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Patched Windows boot loader detected

  1. Right-click Start and open Settings.
  2. Choose Update & Security.
  3. Click Activation under the left pane.
  4. Activate Windows 10 manually (by inserting the license key).

Based on various reports, this error can occur even if you don’t have the activated version of Windows 10.

Therefore, it’s of utmost importance for both the gaming segment and overall experience, to activate it right away.

We don’t recommend using illegal activators or loaders for Windows 10. This can cause a lot of issues and it can completely brick your PC, especially if you have a genuine installation.


4. Exclude the game from AV scans

  1. Press the Windows Key + I to open the Settings app.
  2. Go to the Update & Security section.
  3. Select Windows Security from the left panel.
  4. In the right panel, click on Open Windows Defender Security Center.
  5. Choose Virus & threat protection.Patched Windows boot loader detected
  6. Select Virus & threat protection settings.Patched Windows boot loader detected
  7. Scroll down and, under Exclusions, click on Add or remove exclusions.Patched Windows boot loader detected
  8. Select the EasyAntiCheat folder.

If you really want the game, despite the EAC, we suggest creating an exclusion for this software. Thus, your antivirus will let it be and you’ll be able to play the game at last.

In our own experience, the EAC isn’t dangerous at all, and we never had an issue with it.


5. Repair the game

Patched Windows boot loader detected

  1. Open Steam‘s Library.
  2. Right-click on the game, and open Properties.
  3. Choose the Local files tab.
  4. Click on the Verify integrity of game files option.

Reinstalling the game might help as well. We’re aware that this means a lengthy and annoying procedure, but it seems that something went completely wrong with your game.

If you use Steam, you might avoid reinstalling the game with the Integrity Verification tool.

This app checks and verifies the state of installation files and, if there are signs of corruption, it replaces them accordingly.


6. Reinstall Windows 10

  1. Press the Windows Key + I to open the Settings app.
  2. Go to the Update & Security section.
  3. Select Recovery.
  4. Choose Reset this PC and click on the Get Started button.

Finally, and this is the last resort, you can reinstall the operating system. Before using this solution, don’t forget to back up all your files.

Don’t forget that you can move the game files to a secondary partition and run it from there after the system reinstallation. Thus, you’ll save up some time.

Of course, in the most situations, you’ll resolve the error with some previous steps. This is the last available option.


Don’t forget to share your concerns with the game developers if needed. Also, feel free to share alternative solutions or post questions in the comments section below.

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