Microsoft confirms new Bluetooth bug in Windows 10 v1809

by Milan Stanojevic
Milan Stanojevic
Milan Stanojevic
Windows & Software Expert
Milan has been enthusiastic about technology ever since his childhood days, and this led him to take interest in all PC-related technologies. He's a PC enthusiast and he... read more
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Microsoft acknowledged a brand new bug in cumulative update KB4494441 affecting Windows 10 October 2018 Update (version 1809).

Microsoft released KB4494441 on May 14, 2019. This update addressed some important issues in Windows 10 version 1809.

The patch brought some general security updates, fixed an issue with some UK government sites and offered mitigation against speculative execution side-channel vulnerabilities.

However, the tech giant recently confirmed another issue in KB4494441. According to a support document, the cumulative update introduces connectivity issues with Bluetooth devices.

Microsoft says that some devices may fail to pair up with PCs. You may experience the issue on platforms including Windows 10 Enterprise LTSC 2019, Windows Server 2019 and Windows 10 version 1809.

Microsoft explains the issue in the following manner:

Devices with Realtek Bluetooth radios in some circumstances may have issues pairing or connecting to devices.

Patch expected this week

As of now, there is no workaround available that you can use to resolve the issue. However, Microsoft is already aware of the issue and the company promised to release a fix in late June.

Most probably, the patch will arrive this week with another round of non-security updates.

This is not the first time that Microsoft confirmed a bug in the Windows 10 October 2018 Update. This Update was plagued by a number of issues right after its release.

The tech giant was even forced to pull it back for quite some time. In other words, Windows 10 v 1809 haunted Microsoft until the release of the Windows 10 May 2019 Update on May 22.

Don’t forget to upgrade to Windows 10 v1903

The company wanted the recent update to be a bug-free release. However, despite all the extensive testing sessions, some bugs are still present.

This time, Microsoft decided to maintain transparency as far as the reported issues are concerned.

The tech giant created a webpage where it listed all the existing issues and its plan to address them. Users who have installed the Windows 10 May 2019 Update should visit the webpage to make sure that Microsoft is aware of the issues they are experiencing.


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