Avast anti-virus causing the critical ‘Task Bar and Cortana not working’ issue in Windows 10

As soon as Windows 10 was released by Microsoft, there were many complaints of the Taskbar and Cortana not working. Microsoft’s forum was filled by user queries about the taskbar and Cortana not working.

Also Read- How To Fix Avast UI Failed To Load Error

Most of the users are tackling problems with Cortana and the Start menu not launching. Every time a launch is attempted, users see a “Critical Error” message saying that the functions are not working and a fix will be attempted the next time the user signs in.

Workarounds, such as rebooting or refreshing the system, making a new account, or using other accounts, have all failed for a majority of people who upgraded to Windows 10.

“So Installed Windows early this morning and once I was able to log in onto my personal account. I got a pop up saying ‘*Critical Error* Start Menu and Cortana aren’t working. We’ll try to fix it the next time you sign in.’ I read online to try a different account. I have tried that with numerous accounts and I still have the problem,” complained a user who upgraded from Windows 8.1 to Windows 10 on the Microsoft Forum.

Another user also shared: “Upgraded my system yesterday and it was working well until an hour ago. I decided to restart my system and after that, the problem occurred to me as well. Please help. I need it to be fixed as soon as possible.”

Some users even attempted to go back to their older OS to resolve the issue but to no avail.

Now a redditor, Xeasar has found that the reason for the critical issues with Task Bar and Cortana are due to some compatibility issue with Avast Anti-virus. He found that once he uninstalled the Avast anti-virus software from his Windows 10 PC, the computer worked normally.

Also Read- Best Free Antivirus Software For Windows 10 PC

According to Xeasar, Microsoft is aware of the cause of this issue and is working on a patch.

1 COMMENT

  1. Could you please help me on this!
    Product Type : Notebook
    Product Model : X550LC
    Operating System : Windows 10 64bit

    [Problem Description]
    After installing Windows 10, my computer no longer shuts down properly(With
    windows 8 everything worked properly). Windows exits and seems to shut down fine,
    but my laptop itself does not shut down. I am left with a black screen and my power
    lights still on. If I wait a while then hold the power button for a second, the hardware
    then shuts down and Windows does not report any errors the next time the computer
    is started up.

    Even when my lap went to sleep all the LEDs are on,when i try to wake up no
    response,only possible to hold the power button and restart.

    All my drivers are updated version,BIOS 403 version(Latest one).

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