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Microsoft Confirms Windows Update KB4493472 Issues with More Antivirus Products

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The AchieVer

Microsoft Confirms Windows Update KB4493472 Issues with More Antivirus Products

Microsoft has recently confirmed that the April 2019 monthly rollups for Windows 7 and Windows 8.1 may cause systems to become unresponsive if certain antivirus products are installed.

Microsoft has recently confirmed that the April 2019 monthly rollups for Windows 7 and Windows 8.1 may cause systems to become unresponsive if certain antivirus products are installed.

Last week, Microsoft said that monthly rollups KB4493472 for Windows 7 and KB4493446 for Windows 8.1, along with their own security-only updates, KB4493448 and KB4493467, respectively, caused issues on devices where Sophos security products were installed.

Microsoft says the devices impacted by the bug became unresponsive upon restart after installing the updates, so the company decided to temporarily block these systems from getting the updates.Avira and Avast impacted as wellIn updated KB pages, Microsoft explains that similar issues are also hitting devices with Avira and Avast antivirus, and just like in the case of Sophos, the updates are no longer offered to systems running these two security products.

“Microsoft and Avira have identified an issue on devices with Avira antivirus software installed that may cause the system to become unresponsive upon restart after installing this update,” Microsoft says.

“Microsoft and Avast have identified an issue on devices running Avast for Business, Avast CloudCare, and AVG Business Edition antivirus software after you install this update and restart. Devices may become unresponsive at the login or Welcome screen. Additionally, you may be unable to log in or log in after an extended period of time.”

Right now, the easiest workaround for users experiencing these issues is to simply remove the updates from their devices. If the systems no longer boot to the desktop, you can switch to the Safe Mode, remove the update, and then hide it to prevent the same update from being re-installed.

In case you haven’t updated your system just yet, you should be on safe side even if you’re running on of the antivirus solutions mentioned above, as Microsoft has already blocked the botched patches from being offered to machines with Sophos, Avira, and Avast antivirus.
 
 

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The AchieVer

Avast Fixes Issues Caused by Windows Updates KB4493472 and KB4493467 

Security vendor Avast has recently released updates for its security products in order to resolve issues experienced by customers after installing the latest Windows 7 and 8.1 monthly rollups.

 

Security vendor Avast has recently released updates for its security products in order to resolve issues experienced by customers after installing the latest Windows 7 and 8.1 monthly rollups.

The April 9 Patch Tuesday monthly rollups and security-only updates for Windows 7 (KB4493472 and KB4493448) and Windows 8.1 (KB4493467, and KB4493446) caused devices running Avastsecurity software to freeze on boot and become unresponsive.

The issue impacted devices running Avast for Business, Avast CloudCare, and AVG Business Edition on Windows machines.

Avast has released fixes via the emergency update for version 18.7, 18.8, 19.4, and 19.3 of its security products, and users are recommended to install them as soon as possible on devices impacted by the aforementioned issues.Update blocks in placeIf the device can’t boot, Avast says users should load the login screen and then leave the systems in standby for about 15 minutes, as the updater runs, downloads, and applies the updates in the background.

“Some of these machines are completely unable to log in, and some log in after a very extended period of time,” Avast says. “While this problem is currently being researched, we have developed micro-updates that should resolve the issue and restore functionality to our users, which are being rolled out as soon as they are available.”

Customers with proxy servers configured in Avast and not in Windows may not be able to download the new updates and resolve the issues. In this case, they are recommended to launch the Safe Mode, uninstall the botched updates, and then install the Avast updates. More information on this fix is available here.

Meanwhile, similar issues are also encountered on devices running other security products from Aviraand Sophos. Microsoft has already issued update blocks on systems where such software is detected, at least until fixes become available for impacted customers.
 
 

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