Stuttering, minimizing and lags in Warcraft 3

Hello, encountered a problem in the game. Either after updating Windows 11 to the new latest version, or after updating drivers, or because of something else. My game started to lag, but not in the usual sense. The game slowed down randomly every few seconds, and also, if you minimize the game and open, for example, the browser, it also starts to lag and the text will be written slowly and with a delay. In windowed mode the game would randomly pause every few seconds, and in full screen mode the game would minimize instead of pausing. This has been going on for about 2-4 days now, I think. Before that everything was fine, and I thought it was a bug of a certain mission in the custom campaign, but the problems persisted in the menu after a clean reinstallation of the game. Has anyone encountered something like this? Maybe someone has some ideas how to fix it?

Edit: The problem turned out to be in the OnScreen Control application for LG monitors. If the application is running, but the application window is closed (in the tray), then Warcraft 3 Reforge will have lags and problems like mine.
Solution: Update OnScreen Control to the latest version (9.35.0). My application itself did not offer to update (I had 9.28.0 I think), so I downloaded the latest (9.35.0) version from the official website and the installer updated my version. The problem disappeared.

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