# Cannot Extract Native Jar | Prism Launcher

## Issue Description

When attempting to launch a modpack using Prism Launcher an error in the console states "Cannot Extract Native Jar".

## Solution(s)

**1. Stopping javaw.exe**

1. 1. Open command prompt as an Admin
    2. Run tasklist and look for the process javaw.exe
    3. Run taskkill /f /IM javaw.exe
    4. When it says successful close command prompt and launch the modpack again

**2. Linking Your Microsoft Account**

1. 1. Click "Profile" in top right
    2. Select "Manage Accounts"
    3. Select your account
    4. Click add Microsoft
    5. Sign in with your Microsoft account

**3. Re-linking Your Microsoft Account**

1. 1. If your account is already linked you can re-link it
    2. Click "Profile" in top right
    3. Select "Manage Accounts"
    4. Right-click your account
    5. Click remove
    6. Click add Microsoft
    7. Sign in with your Microsoft account