Microsoft’s recent April 2019 update could be causing some problems for Windows 7, 8.1, Server 2012, and Server 2012 RS users. The issue is with certain anti-virus/ anti-malware software from Sophos, Avast, McAfee, and Avira. The symptoms of these conflicts will result in the computer slowing down or freezing, getting stuck installing updates, or unable to boot. Sophos is reporting that the new update could cause Windows not to boot. Sophos users also reported the update process might get stuck at the ‘Configuring Updates’ stage.

Known Conflicts

Sophos

Avast

  • KB4493435 – Cumulative security update for Internet Explorer

Avira

Windows 10 Known Issues

  • 1709: KB4493441
  • 1803: KB4493464
  • 1809: KB4493509
  • 1903: KB4495666

If you are suffering from any of these symptoms you can attempt to boot into Safe Mode. Once there, disable your antivirus. Then restart your computer normally and uninstall the new updates. Once they have been uninstalled, reenable your antivirus and wait to update until a patch can be issued. As always, be sure to back up your device before installing any updates. If you have any questions or concerns with the update or your computer, feel free to give one of our stores a call!

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