When you launch the game, the window will open, but the game won't load unless you open task manager, and end a minecraft launcher task. There are actually TWO minecraft launcher tasks trying to run. In earlier versions, before 1.14, the game won't connect to servers unless you do the same thing.
Comments 2
Thank you for your report!
However, this issue is invalid.
Legacy Launcher is no longer supported as seen in blog post Legacy Launcher Update - Legacy Launcher Update - Minecraft Update News (tumblr.com)
The report you have submitted is invalid: MCL-11724
Please note, that mechanics of the game may change between updates.
Things such as graphics, sounds, world creation, biomes, redstone, villagers, and animals may not work the same in current versions.
Full Version History – Feature Requests and Suggestions
Quick Links:
📓 Bug Tracker Guidelines – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki
Same.