> For the complete documentation index, see [llms.txt](https://help.vitalmods.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.vitalmods.pro/quark-engine/troubleshooting.md).

# Troubleshooting

## Troubleshooting Guide

If you're running into issues with the app, check the common problems and fixes below.

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### Installation Issues

#### Launcher won’t install

* Make sure you downloaded the correct version for your operating system
* Try running the installer as **Administrator (Windows)** or with proper permissions (Mac)

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### License Key Problems

#### Invalid license key

* Double-check for typos (copy/paste recommended)
* Ensure you're using the key sent to your email
* If the issue persists, contact support

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### Discord Login Issues

#### Unable to log in

* Verify your Discord email and password
* Check if Discord is down or having issues
* Disable VPNs or proxies and try again

#### Privacy Note

* Your login information is **only stored locally on your device**

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### Discord App Token Issues

#### Token not working

* Make sure you copied the full token correctly
* Follow the on-screen instructions carefully
* Regenerate the token if needed

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### App Not Launching

#### App won’t open after install

* Restart your computer
* Run the launcher again and reinstall
* Check for antivirus blocking the app

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### Blank Screen / UI Not Loading

* Restart the app
* Ensure your internet connection is stable
* Reinstall the app from the launcher

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### Update Issues

#### App won’t update

* Restart the launcher
* Reinstall the app manually
* Check your internet connection

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### General Fixes

Try these quick fixes if nothing else works:

* Restart your computer
* Reinstall the launcher and app
* Disable antivirus temporarily (if safe to do so)
* Ensure your OS is up to date

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### Still Need Help?

If you're still experiencing issues:

* Contact support
* Provide screenshots or error messages for faster help