Minecraft Java uses all my CPU and now wont even launch. Error code: -1

Hi and thanks for reaching Microsoft Xbox gamer's community. My name is Josef.

I'm an Independent Advisor and a Microsoft Xbox user like you.

Hope you're doing great today Ethan

Apart from reinstalling the game, which troubleshooting steps you have done so far?

Is your windows and drivers up to date?

Try looking for Windows updates and install the optional updates as well

And download drivers for your hardware via manufacturer site.

If everything's up to rate let's try first checking system corruptions running the SFC tool:

https://answers.microsoft.com/en-us/windows/for...

I'll look forward for your feedback

Hi Cole,

Thank you for posting in Microsoft Xbox Community. I'm sorry to hear that you're having technical issues with Minecraft due to error code -1. This usually happens when your system can't detect your Java. Please follow my recommendations below.

Step 1: You need to open the Minecraft Launcher and click 'Launch Options'

*Note: If you're using the new launcher go to Minecraft: Java>Installations tab>Latest Release and click the 3 dots then edit. Now click more options then you'll see the Java executable box.

Step 2: In settings, make sure the 'Java executable' box is checked/ticked/set to green.

Step 3: In the text box next to 'Java executable', you need to remove the w oat java, and make sure that the code in the box reads like so: C:\Program Files (x86)\Minecraft\runtime\jre-x64\1.8.0_25\bin\java.exe

Step 4: Save your changes then try launching the game.

Step 5: If that does not work, you made need to delete and re-install Java and/or Minecraft itself.

Keep me posted.

Regards,

Alvaro

Thanks for the screenshot. That confirms Minecraft is technically launching, as your computer is running the Java process ("OpenJDK Platform binary" using 11% CPU), but the game window isn’t showing up.

This usually means Minecraft is running in the background, but something is preventing it from displaying properly—most likely your graphics settings or how Java is configured.

Are you using any mods or custom launch settings?

Try this:

1. Open the Minecraft Launcher.

2. Click on "Installations" at the top.

3. Hover over the latest version (it should say something like "Latest release"), click the three dots, then select "Edit".

4. Check that there are no extra Java arguments entered at the bottom.

5. Launch that version and see if it works.

Hi,

Thank you for posting in Xbox forum.

It seems that your getting an Minecraft Java Error -1. The Error -1 in Minecraft Java usually occurs when there is a problem with the game's installation files. Let's work on this together in finding the best possible solution to this issue.

To better understand the situation, I would like to ask some questions, such as:

• What device are you using in playing the game? Windows PC, Xbox Console, etc.
  
• What specific process did you perform before this problem occur?
  
• Kindly send us a screenshot of the error itself
  

While waiting for your response, you can try the following steps:



1. Restart your computer and try launching Minecraft again.

2. Check if your computer meets the minimum system requirements for Minecraft Java.

3. Uninstall and reinstall Minecraft Java.

4. Make sure that your graphics card drivers are up to date.

5. Disable any antivirus or firewall software temporarily and try launching Minecraft again.



I hope this helps. Looking forward for your response!

Sincerely,

Leonardo_Y

I dont even get an error code .. i click to launch it and nothing happens it wont load at all, already reinstalled and same thing ...if i go to games and nba2k15 on the tab it just says play ... i click on that and nothing it just wont launch.