The game pauses but the menu doesn't appear?

Usually, when you hit escape during a mission, the game pauses and the menu pops up. I've just come back to playing KSP after about a year long break, and I'm encountering a bug that is pretty much game-breaking.
Very often when I hit escape, the game pauses but the menu doesn't appear.
I can do this infinitely many times, and the menu doesn't ever come back once it doesn't appear once.
I literally have to kill the KSP.exe process then reload the game in order to keep playing.
This is obviously quite annoying, and I've already pretty much screwed over my career mode because I can't to back to vehicle assembly once I've closed the game and I lose all that money.
Has anyone else experienced this issue or does anyone have any ideas as to what might be causing this issue?
I'm using Windows 10, 64-bit, Steam, KSP version 1.0.0.830, no mods, Nvidia graphics card with the most up-to-date drivers.
I've tried reinstalling, restarting my comp, messing with the game graphics settings, but nothing has worked.
Best Answer
Try running the game in compatibility mode for 8.1 (8 or 7 will do), windows 10 is still in beta and is not really recommended for any games yet.
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How do I fix the pause menu in Minecraft?
It can happen because the menu is probably coming in between the button. So the button might not be receiving any mouse input. Try making the menu smaller in size and showing itself on one corner only. And check again.Why is my pause menu not working unity?
Resuming the game simply returns to the previous state and continues executing from the point where you stopped.\u201d So no matter what you're doing, pausing will cause the game to freeze up. Even if you're in mid-air, the computer won't be able to process the animation of your character falling.What happens when a game is paused?
Minecraft Interactive Experience The pause menu is one of Minecraft's multiple menu screens. Activated during gameplay, it provides a portal to configure game options, quit out of a world, and more. This menu can be accessed anytime by pausing the game with the Esc key by default.Game Design Made Easy Ep 03 Pause Without Pausing in Unity
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