(You can use this for any TW game that has the vanilla launcher)

If your launcher is laggy i.e. it takes significant time to scroll and to respond to clicking despite the game itself running normally, you may need this guide in your troubleshooting journey.

This should fix the problem while retaining your mods and load order.

Solution may work for months or as short as a few launches, please add your solutions and I'll update this guide.