April Windows updates lead to failures in computers with Sophos, Avast and Avira software

After release on April 9 planned Windows updates, some systems with software from Sophos, Avast and Avira deteriorated their performance.

Some Sophos software users even complained that their computers fail to download.

“After installing the following Microsoft Windows updates, Sophos has received reports of computers failing to boot. Sophos is actively investigating this issue.”, — confirmed in Sophos company.

Problem involved computers with Windows 8.1, 7, Server 2008 R2 and Server 2012 with the installed Avast for Business solutions, Cloudcare, Sophos Central Endpoint Protection and Sophos Enterprise Console (SEC). Considering this, Microsoft had to postpone mailing updates for Sophos Endpoint system, though users that have already encountered this issue left helpless.

Although Microsoft did not mention Avast, antivirus solutions distributor confirmed studying of the problem that involved majorly computers with Windows 7.

In its turn, Sophos recommended their customers not to install recent Windows updates. If they already installed, producer advises to delete them immidiately.

According to Sophos notification, users that encountered issue should enter system in a safe mode, switch off Sophos solutions, restart the system and delete update, than user can start system again.

In addition, in Avira argue that some Windows 10 and Windows 7 updates lead to slower system performance. They suggested deletion of these updates till Microsoft would produce new ones.

“We could reproduce the described behavior. This is occurring because of a current Windows Update.”, – exlained in Avira


Daniel Zimmermann

Daniel Zimmermann has been writing on security and malware subjects for many years and has been working in the security industry for over 10 years. Daniel was educated at the Saarland University in Saarbrücken, Germany and currently lives in New York.

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