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.
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.
“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.
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