One of the desktops, and also one of the laptops, it I put the mouse on the top of the side bar, or press the Suer Key, it'll automatically go log back out and show the login screen. It only does this one two computer, regardless of which version Ubuntu, 16.04, or 17.10.I can work around it, such as opening Firefox from the terminal, or nemo, but it is still annoying one the laptop that does it, isn't mine. I said I would take a look at it for someone, that is the only problem. Both computers have the latest UEFI/BIOS update.

Desktop:
OS: Ubuntu 17.10 x64
Motherboard: ASUS P5QPL-VM EPU
Processor: Intel Pentium Dual-Core E5400
Graphics: INTEGRATED; Intel G41?
RAM: 2GB DDR2 800MHz (x2)
Drive: Silicon POWER 120GB SSD SATA

Laptop:
HP EliteBook 2540p
OS: Ubuntu 17.10 x64
Processor: Intel Core I5 CPU M 560 @ 2.67GHz x4
Graphics: Intel Ironlake Mobile
RAM: 4GB DDR3 1333MHz
Drive: Hitachi 160GB HDDIf the same thing happens in these situations below, it seems to be a recent BUG (since late November 2017) possibly caused by some updates:

Quote

When I use the Unity session I automatically get logged out under these conditions:

When I hover with my mouse over any icon of the sidebar.
When I press the alt key. (I can't even do alt+tab).
When I press the super key.