UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36

Steps to reproduce the problem:
1. Use either Chrome, Chromium, or a Chromium-based application (Discord, Visual Studio Code, for example)
2. Use it for some time without closing it (over the span of a couple of days typically, but I've been able to reproduce small lock ups after having Discord open for two days)
3. Close the application

What is the expected behavior?
Windows not locking up. I've always remembered having this problem on this laptop (Acer Aspire VX 15), but my friend has had the same problem on a laptop with similar specs. Both laptops have an Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz, which has an integrated Intel HD 630. Initially, I thought it was a problem with Intel's graphics drivers, but my friend runs everything on his Nvidia.

What went wrong?
After you close the application the mouse cursor will stop moving, indicating that Windows has locked up. For longer hangs, you'll notice that if you plug in a USB device it won't be noticed by Windows (no sounds, no flash drive accesses), Caps/Num Lock LEDs won't change, and for certain laptops the keyboard backlight can't be toggled.

I've recorded an ETW trace during a small hang caused by closing Discord: https://u.pxtst.com/0yeh4gowtI_Pqn.etl
In the trace, the hang happens after Discord isn't in focus where there are no mouse move events.

Did this work before? N/A 

Chrome version: 68.0.3440.106  Channel: stable
OS Version: 10.0
Flash Version: 

I can also record a trace of me closing Visual Studio Code and Chrome 68.0.3440.106.