Barracuda MSP incident
Windows Systems running Avast for Business Freezing on Startup
Barracuda MSP experienced a notice incident on April 11, 2019 affecting Antivirus Service and Patch Management, lasting 1d 23h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Apr 11, 2019, 01:56 PM UTC
We have received reports that Windows machines with Avast Business installed are becoming stuck or frozen on the login/Welcome screen. Some of these machines are completely unable to log in, and some log in after a very extended period of time. Avast has determined that these issues are most likely related to Microsoft updates KB4493472, KB4493448, and KB4493435. It is recommended to decline these updates within Managed Workplace Patch Management and remove them from affected systems. For full details please see: https://kb.support.business.avast.com/GetPublicArticle?title=Windows-machines-running-Avast-for-Business-and-Cloud-Care-Freezing-on-Start-up
- resolved Apr 13, 2019, 01:19 PM UTC
Avast has released micro-updates to fix this issue via their emergency updater.