Your Windows 11 laptop may be about to get faster – but don’t celebrate just yet

A woman getting frustrated by her laptop
(Image credit: fizkes / Shutterstock)

Good news! A new Windows 11 update could be about to speed up your laptop or PC. Bad news! It’s actually fixing an issue that had been slowing down your device.

Windows 11 22H2 is the first major update for the operating system, and it’s due to arrive later this year with plenty of new features, as well as bug fixes.

One of those fixes, as Windows Latest reports, is a long-running problem with the Shell Infrastructure Host, which handles the Start menu, taskbar and other important components of Windows. The sihost.exe process would cause processor use to spike on some PCs without any need, and this would lead to the entire PC slowing down.

It seems that a bug causes the process to freeze, and draw increasing CPU power, and affects the performance of the Start menu and taskbar in particular.

This bug has been annoying people for a long while now, so it’s good to see that it appears to be addressed in the Windows 11 KB5016700 update, which is being tested by Windows Insiders right now.

Windows Insiders are users who have signed up to help try out early versions of Windows 11 updates, and the release notes state that the issue has been fixed. It’s expected that, all being well, the KB5016700 update will roll out to regular Windows 11 users alongside Windows 11 22H2, which is expected in the next few months.


Analysis: A welcome speed boost – but it should never have been needed

Matt Hanson in a lab coat holding up a stopwatch

(Image credit: Future)

Ordinarily, we’d celebrate any update that made our laptops and PCs faster, but the awkward fact is that this problem was down to Microsoft in the first place.

So, fixing a mistake that’s been annoying users for months isn’t really something to be crowing about, but we are glad that Microsoft has at least belatedly fixed the problem.

If you’ve noticed Windows 11 slowing down – especially when you use the Start menu or taskbar, then the  Windows 11 KB5016700 update could fix it. At the moment, this is only available to Windows Insiders, but it's free to sign up for that.

However, while it means you’ll get Windows 11 updates before everyone else, bear in mind that these early releases could have bugs and problems themselves. Waiting until an official release, after Windows Insiders have identified any problems for Microsoft to fix, may be a better solution for people wanting to fix any Windows 11 problems.

Hopefully, we won’t have long to wait to get this update if it is indeed launching alongside Windows 11 22H2, which is widely expected to launch in late September. Despite how frustrating using a slow PC can be, it’s worth holding on for a few more weeks, just to be sure.

TOPICS
Matt Hanson
Managing Editor, Core Tech

Matt is TechRadar's Managing Editor for Core Tech, looking after computing and mobile technology. Having written for a number of publications such as PC Plus, PC Format, T3 and Linux Format, there's no aspect of technology that Matt isn't passionate about, especially computing and PC gaming. He’s personally reviewed and used most of the laptops in our best laptops guide - and since joining TechRadar in 2014, he's reviewed over 250 laptops and computing accessories personally.

Read more
Angry business man screaming on laptop
Finding Windows 11 sluggish when you’re working with files and folders? You’re not alone – and it’s high time for Microsoft to sort out File Explorer
Windows fail
It looks like Microsoft might have broken Windows 11 24H2 again as performance plummets with Intel's latest CPUs
Using Zipped files and folders in Windows 11
Windows 11 should soon be faster at extracting files from compressed ZIPs – and it’s about time, frankly
Angry businessman destroying his desk and laptop with a baseball bat
New patch for Windows 11 24H2 reportedly plays havoc with File Explorer, and some folks are claiming it's broken their PC
A man sitting at his desk in the evening and using a desktop computer
It looks like Microsoft is forcing its controversial Windows 11 24H2 update on people and (plot twist!) it might be for the best
Woman gaming on a computer at home
Microsoft finally fixes some of Windows 11’s most annoying problems with new patch
Latest in Windows
A young woman is working on a laptop in a relaxed office space.
I’ll admit, Microsoft’s new Windows 11 update surprised me with its usefulness, providing accessibility fixes, a gamepad keyboard layout, and PC spec cards
Microsoft Surface Laptop and Surface Pro devices on a table.
Hate Windows 11’s search? Microsoft is fixing it with AI, and that almost makes me want to buy a Copilot+ PC
girl using laptop hoping for good luck with her fingers crossed
Windows 11 24H2 seems to be a massive fail – so Microsoft apparently working on 25H2 fills me with hope... and fear
A woman sitting in a chair looking at a Windows 11 laptop
It looks like Microsoft might have thought better about banishing Copilot AI shortcut from Windows 11
Using Zipped files and folders in Windows 11
Windows 11 should soon be faster at extracting files from compressed ZIPs – and it’s about time, frankly
Xbox Wireless Controller
Microsoft is adding a powerful new feature for using Xbox controllers with Windows 11
Latest in News
Group of people meeting
Inflexible work policies are pushing tech workers to quit
A young woman is working on a laptop in a relaxed office space.
I’ll admit, Microsoft’s new Windows 11 update surprised me with its usefulness, providing accessibility fixes, a gamepad keyboard layout, and PC spec cards
Youtube
YouTube Premium could be getting a new time-saving perk, showing you recommended videos directly in your playback queue
inZOI promotional material.
inZOI has become the most wishlisted game on Steam, but I wouldn't get too caught up in the hype
Xbox Series X and Xbox wireless controller set to a green background
Xbox Insiders are currently testing a new Game Hub feature that looks useful, but I've got mixed feelings about it
A stylized depiction of a padlocked WiFi symbol sitting in the centre of an interlocking vault.
Broadcom warns of worrying security flaws affecting VMware tools