Cng.sys is an essential next-generation Windows Operating System file on your computer. It is problematic if it is missing. So, let us discuss the possible causes of this error and provide some effective solutions to fix and prevent it from occurring.

Why does Cng.sys failed error code occurs?

The error code typically occurs due to a problem with the CNG (Cryptography Next Generation) system file in the Windows operating system. Here are some possible reasons why this error may occur:

Corrupted or outdated system files – If the CNG system file or other related system files are corrupted or outdated, it can cause the cng.sys failed error. Malware or virus infections – Malware or viruses on your computer can damage or corrupt system files, including the CNG system file, leading to the error. Driver issues – Outdated or corrupted drivers for your hardware devices are also a leading cause. Hardware issues – Hardware problems, such as a faulty hard drive or memory module, are known to trigger the error. 

How can I fix cng.sys failed blue screen error?

1. Run a BSOD quick fixer

2. Restore an earlier version of Windows

This is one of the fastest ways to resolve the cng.sys error, but you must do it within 10 days after upgrading to Windows 10. And it only applies if you had an earlier version of Windows before the upgrade. Otherwise, you’ll have to make do with the new version.

3. Download and install pending updates

Downloading and installing Windows pending updates may help to resolve the issue.

4. Run a full scan of your computer

Run a full scan of your computer using the antivirus solution installed on your device, and check if it helps. SPONSORED Any infected data files may be cleaned only by completely deleting the file, meaning there is a possibility of losing data. Use a reliable, powerful tool to remove malware for good. Also, allow it to run in real-time, to prevent possible attacks

5. Restart in Safe Mode and Uninstall drivers

5.1 Enter Safe Mode

5.2 Uninstall drivers

Once your computer reboots, update your computer as you did in solution 3. You can also try a driver update using a third-party driver updater like DriverFix. With a single click, it will detect outdated or missing drivers.

6. Run disk clean up

Before doing this, ensure you have sufficient disk space on the Windows drive. These are our solutions if cng.sys failed on a Windows PC. We’d like to hear if any of them helped and which one. Use the comments section.

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