Windows 11 and KB5025239, the taskbar is having difficulty

Windows 11 update KB5025239 has caused a new problem. It affects an essential component of the operating system, which is the taskbar.

Released as part of the April 2023 Tuesday patch, KB5025239 targets Windows 11 22H2 PCs. It closes dozens of security vulnerabilities and fixes bugs. Unfortunately, problems have arisen since it was posted. So it is not the first time that this update has been talked about due to crashes. We talked about file explorer crashes, missing desktop icons, and performance issues.

Windows 11 and KB5025239, failures appear, solutions

A new error has been added to this list. to Recently reports State a problem with the job. auto hide from the taskbar. Its role is to automatically hide them in order to make the most of the space. It also reappears automatically as soon as the mouse pointer hovers over the bottom edge of the screen.

The option is located at this address

Paramètres > Personnalisation > Barre des tâches >Comportement de la barre des tâches

Regarding the error, it affects this functionality so that the taskbar remains visible more often than not. Fortunately, the situation does not appear to be widespread.

There are also reports of a very slow install. It can deactivate at 5% for several hours with ” Updates are installed. Please keep your computer turned on “.

Windows 11 and KB5025239, known issues

by Microsoft KB5025239 It is known to cause problems with explorer.exe. This happens when using third party UI customization applications such as ExplorerPatcher or StartAllBack.

Redmond explains

After installing this update or subsequent updates, Windows devices with some third-party user interface customization applications may fail to boot. These third party applications can cause explorer.exe errors that can reoccur many times in a loop. Known customization applications affected are ExplorerPatcher and StartAllBack. This type of application often uses unsupported ways to make customizations and thus may have unexpected results on your Windows device.

KB5025239 can also slow down machine performance. This relates to copying large files (several GB) during a network share over SMB (Server Message Block) and also during a local copy of files.