First of all, it will show you a couple of possible causes of this issue.
Meanwhile, it will also show you several feasible methods to fix this issue.
you’re free to get the details from theMiniToolwebsite.
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From day one, however, there are a lot of different problems surrounding Avast.
One of the most common problems is Avast not opening on Windows with no error messages.
to get to get rid of this problem, people have tried several different ways.

This post will show you some of the most helpful methods and hope your problem can be fixed.
Why Is Avast Not Opening on Windows?
Reasons for Avast Not Opening on Windows
Avast may not open because of many different problems.

This part will show you the most common reasons that affect most users.
If you want to know how to fix Avast not opening on Windows issue, keep reading.
Now you have many sensitive data, thus you need a reliable defense software to protect your data.

This post gives information on Windows Defender vs Avast.
How to Fix Avast Not Opening on Windows?
Step 2: Typecontrol panelin the search bar and clickControl Panelto open it.

Step 3: In Control Panel, selectView by: Categoryand clickUninstall a programunder theProgramssection.
Step 4: In theProgram and Featureswindow, navigate to Avast, right-click it and then selectUninstallto uninstall Avast.
ChooseRepairand then clickNextto fix the problem of Avast installation.
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Step 6: A message will display on the screen that asks you to confirm the process.
Step 7: After completing the uninstallation process, clickFinish.
Then restart the computer to verify if Avast now opens properly.
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Step 1: Press theWindowskey +Rkey at the same time to open theRunutility.
Typeservices.mscin the Run dialog box and then clickOKto open theServiceswindow.
Step 2: In the Services window, navigate to theAvast Antivirusservice on the list.

Right-go for the service and clickPropertiesfrom the pop-up window.
Step 3: Check to see if the service is started or stopped from theService statussection.
If the status of the service isStarted, click theStopbutton to stop it.

If the status of the service isStopped, keep it stopped until you continue to execute.
Verify any dialog boxes that may appear when changing the startup jot down.
Before exiting, click theStartbutton.

Step 2: Switch to theLog Ontab and hit theBrowse…button.
Step 4: When you finish the steps above, clickOK.
If you have set up a password, jot down the password in the Password box.

After you complete all the steps above, the Avast not opening on Windows issue should be fixed now.
It is very simple for you to perform a clean install.
you’re free to follow the steps below to execute a clean install.

Step 3: After downloading these files and booting intoSafe Mode, disconnect from the Internet.
Step 4: Press theWindowskey +Rkey at the same time to open theRundialog box.
Typemsconfigin the dialog box and then clickOKto open theSystem Configurationwindow.
Step 5: Switch to theBoottab, check theSafe bootoption and then clickOK.
Step 6: Restart the computer so that boot into Safe Mode.
Step 7: fire off the uninstallation utility of Avast and browse the folder where Avast is installed.
If Avast is installed in the default folder Program Files, it’s possible for you to keep it.
Browse through File Explorer until you find the correct folder.
Step 8: ClickRemoveand then restart the computer with the normal startup.
This post shows you multiple methods for this work.
I was looking for the methods because Avast could not open on my computer normally.
Thus, it is vital for you to find a way to protect your setup.
MiniTool ShadowMaker is a powerful tool.
With itsClone Diskfunction, you’re free to also clone a whole disk to protect your rig.
hit the following button and then you might free get the MiniTool ShadowMaker Trial Edition to protect your data.
Step 1: Choose the Backup Source
1.After installation, run MiniTool ShadowMaker.
2.ClickConnectin theLocalsection to get its main interface.
3.Click theBackuptab in the main page.
Step 2: Select a Destination to keep your Backup Files
1.Click theDestinationtab in the main page.
2.Choose a destination to save the backup files.
ClickOKto back to the main page.
Step 3: Execute the Backup Operation
1.ClickBackup nowfrom the bottom right corner to start the backup operation.
2.check that that you want to back up your data now and clickYes.
There is also an available option:Shut down the computer when all the running backup tasks are finished.
If you want toperform Windows backup restore to different computer, MiniTool ShadowMaker will help you.
In addition, it also recommends a piece of useful software MiniTool ShadowMaker.