How to fix: 2nd display corrupts Notepad

Bud 0 Reputation points
2026-11-03T09:10:41.2533333+00:00

Lenovo LOQ 15IRX9
NVIDIA GeForce RTX 3050
Windows 11 Home version 26H2 (OS build 26300.9818)

Suddenly the 2nd display started to behave strangely with Notepad:
Notepad menus and right-click menus appear corrupted.
This happens only on the 2nd display - the main display is fine.
This happens only with Notepad - other apps are fine.

I tried numerous restarts, app repairing, display tweaking and Windows Update. Nothing seems to help.

Please help.

Windows for home | Windows 11 | Display and graphics
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  1. Bud 0 Reputation points
    2026-11-04T19:35:16.2033333+00:00

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  2. Bud 0 Reputation points
    2026-11-04T19:33:40.5233333+00:00

    Posted twice by mistake - don't know how to delete...

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  3. DaveM121 946.1K Reputation points Independent Advisor
    2026-11-03T09:44:56.93+00:00

    I am seeing some reports about this problem on the forums, this seems to be an emerging problem with some apps rendering incorrectly on an external monitor since a recent update, open that Paint app, and move it to the external screen, are you also experiencing problems with that app on the external screen?

    Your Windows Build No. indicates you have installed the optional preview update (KB5127936) released at the end of October, that may be causing the problems, the best option may be to uninstall that optional update to test if that resolves the problems rendering some apps on an external monitor.

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