softwarenotopen

Most users install antivirus in their devices to remain protected against malware and viruses. Many users install some third-party anti-viruses on their device but sometimes that antivirus itself starts creating problems that affect the pc too. a number of the most preferred antiviruses for windows is Avast Antivirus. Avast users also face some issues and “Avast Won't Open” is one in all of them. during this article, I'll tell you how you'll fix these issues in Avast Antivirus.
You can fix the issue by modifying and repair avast antivirus. so as to perform this follow the steps below :
Step – 1: go to Setting then Apps and Features
Step – 2: search for Avast Antivirus from the Control panel and click on on it.
Step – 3 Click the modify button instead of uninstalling. A UAC panel will pop up on the screen.
Now click Yes to continue.
Step – 4: within the avast application window find and click on on the update button.
Step – 5: Reboot your computer.
This method will definitely work.

Start Menu does not open or Start Button not working in Windows 10
If, after upgrading to Windows 10 or installing Windows Updates, you find that your Start Menu doesn't open or Start Button isn't working, then this post will assist you. If your Start Menu isn’t working, here are a couple of troubleshooting steps you'll want to undertake out.

Run Windows 10 Start Menu Troubleshooter
Run System File Checker
Repair Windows System Image
Create a replacement User and see
Uninstall the problematic Update then hide it
Other suggestions.

Download and run the Windows 10 Start Menu Troubleshooter from Microsoft.

2] Run the following command in an elevated prompt, to run the System File Checker.

SFC /scannow
Restart after the scan is over and see if it helped.

3] Repair Windows Image. Open an elevated CMD copy-paste the following and hit Enter
Dism /Online /Cleanup-Image /RestoreHealth
Restart after the scan is over and see if it helped.

4] Make Start full screen and back. Enable Tablet Mode and begin Screen then return. See if this toggling has helped.

5] Open an elevated PowerShell window.

Type the following and press Enter:
Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)AppXManifest.xml"}

To open an elevated PowerShell prompt, type PowerShell in taskbar Search, and within the result, ‘Windows Powershell’ which appears, right-click and choose Run as administrator.
You may do that, to open a command prompt or Powershell window. Press Ctrl+Shift+Esc to open the Task Manager. Click on File menu > Run new task. To open a command prompt window, type cmd. To open a PowerShell prompt, type PowerShell. Remember to see the Create this task with administrative privileges check-box. Then hit Enter.

6] Create a replacement user and see if it helps. to do this, open an elevated command prompt window, type the following and hit Enter:
net user username /add

Here username is your new user name. you'll see The command completed successfully message. Log into your new account and see if it's resolved your issue.

7] This post will assist you if Windows 10 Start Menu Tile Database is corrupt.

If Cortana or Taskbar search isn't working, open Task Manager > File menu > Run new task. Type PowerShell and choose the Create this task with administrative privileges checkbox and click on OK. See this post if your Taskbar isn't working in Windows 10.