Then click the Administrative Tools option and finally click the Services shortcut at the bottom to open it as well. First, open Control Panel and select View by Large Icons. Tip: You can also run the Services tool from the Control Panel. Type services.msc in the Run dialog box and then click OK to open the Services window. Step 1: Press the Windows key + R key at the same time to open the Run utility. What you need to do is following the steps below carefully and then you can restart the Avast Antivirus service. You can easily restart the service to fix this issue and this method is very easy to use by everyone. If there is an error related to the Avast Antivirus service, Avast not opening on Windows issue may also occur. Solution 2: Restart the Avast Antivirus Service Then restart the computer to check if Avast now opens properly. Step 7: After completing the uninstallation process, click Finish. Step 6: A message will display on the screen that asks you to confirm the process.
Choose Repair and then click Next to fix the problem of Avast installation.
Step 5: The uninstall wizard of Avast should provide you with several options including Update, Repair, Modify, and Uninstall.
Finally, you can find Avast from the list of all installed programs on your PC and then uninstall it. First, click the gear icon to open Settings if you are using Windows 10. Tip: You can also uninstall Avast from Settings.