– we recommend Iris, it’s a bit more optimized Download and install Optifine or Iris.– in the top menu, select the “Installations” tab, click “New installation”, under the “Version” dropdown, select your preferred Minecraft version and click “Create”. Open Minecraft launcher and setup your game profile for the Minecraft version you want to run.Restart the CurseForge app and try to launch your modpack(s) again. If you are not a Windows admin user, you may not have a permission to continue the installation, and you will need to ask a system admin to assist you with the installation: *Please note that Java will be installed by default inside the system's Program Files directory. Download the latest Java version available here: (your operating system should be automatically detected, or you can choose it manually here: ).Please follow these steps to install the latest Java version: If you don't have Java installed on your system, you will likely receive the following Windows system message when trying to launch modpacks:īoth in this case, and in cases where you do have Java but are still experiencing issues running modpacks - installing the latest Java version can solve the issue. Java is required to run Minecraft modpacks. The legacy Minecraft launcher open instead of the current one.'Failed to install Minecraft launcher' (parsing error).'Failed to install Minecraft launcher' (download error).'Failed to download Minecraft launcher due to a network error'.'Failed to create Minecraft directories'.Clicking 'Play' in Minecraft's Launcher Doesn't Start the Game (McAfee Real-Time Scanning).'Couldn't load launcher core from.' / 'Unable to start the Minecraft Runtime Environment'.

'An unexpected error occurred while trying to install Minecraft'.

'An access violation occurred when attempting to install Minecraft launcher'.

The System cannot find the file Specified' error (Windows OS).

'Failed to download file' in CurseForge Client / 'Error Code 0'.

Modified on: Mon, 6 Feb, 2023 at 12:54 PM Support Home CurseForge App Minecraft CurseForge Minecraft Troubleshooting

Minecraft beta launcher not working