Very weird window behavior

[greyhound]

The above has started happening since a week ago or so. Has anyone been experiencing this issue?

It happens to Nautilus, Firefox, and other apps. Usually right when they are launched, but also when they have been running for a bit. Unsure what triggers it, as windows work normally for a while before glitching like this...

[Storm]

Looks like an GPU driver issue. Did you upgrade the kernel last week? Which video card do you have?

sudo apt install inxi
inxi -G
uname -r

[greyhound]

I have installed the updates pushed by the updater. I believe Kernel updates are somewhat frequent. So I believe there have been updates to the kernel last week, although I am not sure.

Graphics:
  Device-1: Intel UHD Graphics 620 driver: i915 v: kernel 
  Display: x11 server: X.Org 1.20.13 driver: i915 resolution: 1920x1080~60Hz 
  OpenGL: renderer: Mesa Intel UHD Graphics 620 (KBL GT2) v: 4.6 Mesa 21.2.6 

5.13.0-30-generic

[Storm]

Try with rolling back to the kernel that works last time and see if it solves the problem;

[HOW TO] set an older kernel to default boot

You may need to use an earlier kernel than the current kernel used by Zorin. This method allows you to set the kernel that you will boot into by default. To set the new kernel to default: Boot into the kernel you wish to be Saved. Open terminal and run: sudo nano /etc/default/grub Change GRUB_DEFAULT=0 to GRUB_DEFAULT=saved Hit enter to drop down a line. Add GRUB_SAVEDEFAULT=true ctrl+x to exit, then the y key to say yes to save, then the enter key to save as current configuration. Ru…

[greyhound]

Thank you, I will look into that and try it when I have time. I saw that there were more kernel updates pushed. Will try updating them as well to see if it fixes the issue.