Windows 10 April 2018 Update (version 1803) isn’t free of all
the bugs, and the new version of the operating system
has ended up breaking machines or brought some
compatibility issues. Avast recently acknowledged a
compatibility issue with Windows 10 version 1803 and their
antivirus solution that was bricking some computers.
Avast engineer earlier this week confirmed that the
Microsoft has started blocking Windows 10 April 2018 Update
installation on systems running Avast antivirus software.
Yesterday late night, Vik from Avast team has also revealed
that an element of the Windows 10 April 2018 Update is
incompatible with the Avast Behavior Shield which is causing
the update to fail and brick PCs in some cases.
The company also claims that it’s not an Avast-specific issue
and the problem could affect other software as well.
“In cooperation with Microsoft we have identified an element of
the latest Windows 10 1803 update that is incompatible with the
Avast Behavior Shield, causing the aforementioned update to
fail in some instances (related to a timing issue, Internet
connectivity issue, etc). Luckily, we have found a way to
prevent the problem and are now automatically pushing a VPS
update to all customers which makes sure that the problem
doesn’t happen,” Vik, Global Moderator, Avast said in a post on their
It is also worth noting that only “small subset of Avast
customers” are affected, and the company has also detailed a
First and foremost, the recovery process requires an 8GB
USB drive and a spare computer. On your spare computer, create
a bootable USB drive by downloading Media Creation Tool from
here. Follow the
on-screen instructions and create a bootable drive with Windows
10 64-bit. To recover the broken PC, do the following:
- If your PC is at the blue screen, choose the keyboard
language, and select ‘use another operating system’ option.
- Choose the second option named “Windows 10 on
volume X” and the computer will boot to the desktop (after
sign-in screen if any).
- Right-click any blank area on the taskbar and open Task
- In Task Manager, click More details -> File -> Run
new task and check the box “Create this task with
- Click “Browse” and navigate to a USB drive.
- Select “setup.exe” and follow the steps to “upgrade”
- Follow the on-screen instructions and your PC will upgrade
to Windows 10 version 1803.
“In the meantime, we continue to investigate this issue which
appears to affect only a small subset of our
customers. BTW at this stage, we know it’s not an
Avast-specific issue as the problem affects other software as
well,” he added.