https://www.bleepingcomputer.com/news/microsoft/decembers-windows-11-kb5033375-update-breaks-wi-fi-connectivity/

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  * Home
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  * Microsoft
  * December's Windows 11 KB5033375 update breaks Wi-Fi connectivity

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December's Windows 11 KB5033375 update breaks Wi-Fi connectivity

By

Sergiu Gatlan

  * December 18, 2023
  * 04:25 PM
  * 0

Windows 11

The KB5033375 cumulative update released during the December 2023
Patch Tuesday causes Wi-Fi connectivity issues on some Windows 11
devices.

Besides a massive stream of user reports on Reddit, Twitter, and
Microsoft's own community platform, several universities have also
issued advisories recommending students to uninstall the KB5033375
update (and the optional cumulative update preview KB50532288, if
installed).

For instance, a University of British Columbia incident report says,
"This issue affects enterprise wireless networks (ubcsecure,
ubcprivate, eduroam), but does not affect home wireless/internet
usage."

Based on customer reports, this issue impacts enterprise wireless
networks with fast-transition/fast-roaming enabled to facilitate
seamless device movement between wireless access points.

Home users who have installed KB5033375 or KB50532288 are yet to
report experiencing Wi-Fi connectivity problems.

The impact seems confined to Windows 11 operating systems,
specifically those operating on version 22H2 or 23H2 feature
releases. Windows 10 systems don't seem to be affected by this
particular issue.

Currently, there's no information on whether these wireless
connectivity problems extend to specific models of wireless network
adapters.

Temporary workaround available

As a temporary solution, users affected by this issue are advised to
uninstall the KB5033375 Windows 11 December cumulative update and the
related KB50532288 optional preview update (which might not have been
installed on all impacted systems).

To uninstall the buggy update, you need to go through the following
steps:

 1. Open the Windows start menu, search for "Windows Update," then go
    to Update history > Uninstall updates
 2. On the list of installed updates, select KB5033375 (or
    KB50532288), and then click the Uninstall button next to it.
 3. After the update is uninstalled, restart the computer.

Once uninstalled, you should also use the 'Show or Hide Updates'
troubleshooter to hide the update so Windows Update will no longer
show it in the list of available updates.

A Microsoft spokesperson was not immediately available for comment
when contacted by BleepingComputer earlier today.

Related Articles:

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AI-assistant

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Avira antivirus causes Windows computers to freeze after boot

Windows 11 KB5032288 update improves Copilot, fixes 11 bugs

Microsoft starts testing new Windows 11 Energy Saver feature

  * KB5033375
  * KB50532288
  * Network
  * Wi-Fi
  * Windows
  * Windows 11
  * Wireless

  * 
  * 
  * 

  * 
  *  

 

Sergiu Gatlan   

Sergiu has covered cybersecurity, technology, and other news beats
for more than a decade. Email or Twitter DMs for tips.

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