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mystery box
About this tag
The tag mystery box on WindowsForum.com covers user reports of a faint, unexplained box appearing on the screen in Windows 11. Affected users describe the box as causing system instability, with the mouse cursor changing to a blue spinning circle when hovering over it. Troubleshooting steps attempted include running the Microsoft troubleshooter, executing sfc /scannow from an admin prompt, and updating drivers, but the issue persists and often requires a double reboot to temporarily resolve. Discussions focus on identifying the cause and finding a permanent fix for this mysterious graphical anomaly.
Win11 works fine for a day or so, then it becomes unstable, with a mystery faint box in lower centre of screen (refer 2 attached).
I also have a video clip showing this, but it is 15MB and this forum doesn't seem to allow it to be added (if someone provides an email address I can send it).
If I...