I can still move my mouse just fine, and the clock and the graph for memory usage continue to update normally. However, all forms of input have no effect; no matter what or where I click, or what I press on the keyboard, or how long I wait, I am unable to do anything. Also, the menu that seemingly triggered this is not going away.
Not actually sure what caused this; it happened suddenly just from opening up the Menu via the button in the lower left. Menu froze on the Filesystem submenu, if it matters. Pale Moon was open and on the screen, Discord and one of the text editors are also opened behind it, and memory was lowish, and the computer had been running for a while. All of this I've done before without issue so I am particularly baffled by it happening now. Would provide more information if I could, but I pretty much only have access to the current contents of my screen right now; typing this via my phone. Anyone know anything about this, or anything I could possibly do to fix it short of just resetting?
Update: I could plug my phone into the computer to trigger the popup about whether I would like to use my phone as a modem. However, like with everything else I can not interact with this popup in any way that I can see.