How To Fix KOPlayer Error Code 12?

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Published on: , Last Updated on February 14, 2024

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If you are currently having the error code 12 while using the KOPlayer then this post is going to be helpful for you as in this blog article we are going to share the details for this error.

KOPlayer error code 12 reads “Virtual machine start-up failed. Emulator must be restarted to complete repair”. As per our research users may get the error code 12 upon launching the KOPlayer or while launching any app/game from the KOPlayer.

KOPlayer Error Code 12

How To Resolve KOPlayer Error Code 12?


Fix 1: Disable Driver Signature Enforcement

The first fix we will recommend to you is to disable the Driver Signature Enforcement in the Startup Settings. This is not an official workaround, instead, this suggestion has been shared by a user on Reddit, so you can try this to check whether this resolves the issue for you or not.


Fix 2: Try Temporarily Disabling Your Device Antivirus Software And Firewall

If the error persists then next you can try disabling your device’s antivirus software and firewall. By doing this you can check if this is your security software that is conflicting with the KOPlayer or if there is something else that is causing this problem.

In case disabling your security software resolves the issue then make sure to add the KOPlayer to your security software and firewall exception list.


Fix 3: Check If VT (Virtualization) Is Enabled

If you still get the error then check if your VT (Virtualization) is enabled or not, if not then consider enabling it and then check for the error again. If you need help with enabling VT in your Windows PC then you can refer to this guide.


FAQs | Frequently Asked Questions


What Does The KOPlayer Error Code 12 Say?

KOPlayer error code 12 says “Virtual machine start-up failed. Emulator must be restarted to complete repair.

When Does The KOPlayer Error Code 12 Occur?

KOPlayer error code 12 comes while launching the KOPlayer or while launching any apps/games from the KOPlayer.

What Are The Troubleshooting Steps To Fix KOPlayer Error Code 12?

To fix the KOPlayer error code 12 users can try disabling Driver Signature Enforcement, temporarily disabling their device Antivirus software and firewall, and checking if VT (Virtualization) is enabled.

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Rahul Choudhary is a technology and troubleshooting expert. He gives his expert opinion on different technology trends and provides troubleshooting guides for different apps, websites, & consumer hardware products. He graduated in BA English Honours from the University Of Delhi, and later he learned HTML and WordPress. He also did a certificate course in Hardware and Network Troubleshooting , and a certificate course in Computer Architecture.