Windows 11 Update Slowing Down Apps After Installation

laura dagson 25 Reputation points
2025-09-28T06:48:32.07+00:00

Hi everyone,

After installing the latest Windows 11 update on my business laptop, I’ve noticed that some apps (especially third-party tools) are loading much slower than before. I’ve already tried clearing cache, disabling startup apps, and checking background processes, but the issue still persists.

I came across a guide here: https://zmbcathersapk.com/ that talks about optimizing performance after system updates, but I’m not sure if these steps are safe to apply on Windows 11 for business.

Has anyone else faced this slowdown issue after recent updates? What’s the best way to safely optimize performance without breaking system stability?

Thanks in advance!

Windows for home | Windows 11 | Performance and system failures

Answer accepted by question author
DaveM121 948.5K Reputation points Independent Advisor
2025-09-28T07:22:46.5+00:00

This is not a reported problem with the latest September updates.

Open the Settings App, then go to Windows Updates - Update History.

Scroll down to the bottom of that window and select 'Uninstall Updates.

Are you able to uninstall the latest KB monthly update from there that caused the problem?

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