Minecraft is one of the most played games in the world and it continues to be a fan favorite among players. However, we have received numerous complaints of the “Minecraft has not Started because of an Unknown Error” issue that prevents the users from launching into the game. Therefore, we compiled this guide to address and fix this issue permanently.
Why has Minecraft not Started?
Solution 1: Reconfigure Java After removing Cache
Sometimes, the cache stored on your drive coupled with a corrupted installation of the Java software can prevent Minecraft from starting and cause the “Minecraft has not Started because of an Unknown Error” message to appear when trying to load the game. To fix this:
- Press “Windows + R” to launch into the run prompt, type in “Taskmgr” and press “Enter” to venture into the task manager.
- From here, select all processes related to Minecraft and select the “End Task” button on your Task manager to end them.
- After doing this, press “Windows + E” to launch into the explorer window and go to “Local Disk C” or the primary installation partition of Windows.
- In this partition, launch into the “Program Files” folder, and from the list of folders there, select the “Java” one.
- After selecting, press “Shift + Delete” on your keyboard to remove it from your computer.
- Now, press “Windows + R” to launch into the run prompt, type in “%appdata%” to venture into the AppData folder, and double-click on the “.tlauncher” folder.
- In this, make sure to delete the “Cache” folder.
- After doing this, press “Windows + I” to launch into settings, click on the “Apps” button and select “Apps & Features” from the left side.
- Now, from the list of installed applications, make sure to select “Java” and click on the “Uninstall” button to remove them from your computer and restart it.
- After the restart, download java for Minecraft from here and install it on your computer.
- Now, start the “tlauncher” application and click on the “Settings” cog and select the “Settings” option.
- In its settings, click on the “Browse” button in front of the “Java Path:” option.
- After making the selection, head on over to the “Local Disk C>Program Files>Java>JRE (Version Number) >Bin” folders.
- In this folder, select “Javaw.exe” and press the “Open” button to confirm your selection.
- Check to see if Minecraft launches properly and that the “Minecraft has not Started because of an Unknown Error” issue is fixed.
Solution 2: Copying Java Files in JVMS Folder
Sometimes, in order to get Minecraft to start properly, you might need to reinstall the java software and then place its installation in the JVMS folder manually. For that, we have mentioned the steps that you can undertake.
- Follow the solution mentioned above to completely remove the Java software from your computer and download Java for Minecraft from here.
- Now, install the Java software and navigate to the “Local Disk C> Program Files> Java” folder.
- Right-click on the folder inside here and select the “Copy” button.
- After that, press “Windows + R” to launch into the Run prompt, type in “%appdata%” and press “Enter”.
- Here, double-click on the “.tlauncher” folder and open the “JVMS” folder.
- Now, right-click anywhere and press the “Paste” button to copy the Java folder inside of the JVMS folder.
- Verify that Minecraft has not started because of an unknown error issue is fixed.
Solution 3: Fixing Network Issues
It has been known that sometimes certain network issues can prevent Minecraft from starting. Therefore, we recommend that you deploy the following steps on your computer to ensure that network issues aren’t causing the Minecraft has not Started error.
- Press the “Windows + R” keys on your keyboard, type in “ncpa.cpl” and press “Enter” to launch into the network control panel.
- Right-click on your network connection and select the “Properties” button.
- Now, double-click on the “Internet Protocol Version 4” option here and select the “Use the following DNS addresses” option.
- In the available options, type in “220.127.116.11” & “18.104.22.168” respectively.
- Click on “OK” to save your changes and exit out of this window.
- After this, press “Windows + R” and type in “Cmd”.
- Press “Shift + CTRL + Enter” to launch with admin permissions.
- In the command prompt, type in “ipconfig/release” and press “Enter”.
- After executing that command, type in “ipconfig /renew” and press “Enter” to execute it.
- Close out of the command prompt window and verify if this fixes the Minecraft has not started because of an unknown error issue.
Feel Free to get in touch with us for further troubleshooting of this error.