Try these fixes:
Disable Discord Overlay.
Remove incompatible software.
Update your graphics driver.
Run Minecraft as administrator.
Disable Mods.
Reinstall your Minecraft.
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Posts
Try these fixes:
Disable Discord Overlay.
Remove incompatible software.
Update your graphics driver.
Run Minecraft as administrator.
Disable Mods.
Reinstall your Minecraft.
Read detailed information - Minecraft Not Responding
Please Help me. Minecraft Not Responding 1.14