When you update the Avast software, you may receive the Initializing, just wait… issue notification.
Dont worry about this.
This post fromMiniToolprovides some useful methods for you to fix the Avast update stuck issue.

Now, keep on your reading.
Its annoying to encounter the Avast update stuck issue when you have a go at update the Avast software.
Now, I will introduce how to fix the terrible issue on Windows 7/10.

Step 2:Then search for theAvast Free Antivirusentry and right-click it, then clickUninstall.
Step 3: Now cycle your box and navigate to the official Avast download page to download it.
Then, test whether the Avast update stuck at initializing issue has gone.
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If not, try the next solution.
If you are a Windows 10 user, you might refer to the first part.
If you are a Windows 7user, you’ve got the option to read the second part.
After that, it’s possible for you to start the steps.
Step 1: Right-click theStartbutton and select theApps and Featuresoption from the menu that appears.
Step 3: If prompted for permission by the User Account Control dialog, clickYes.
Step 4: When the Avast Setup wizard appears, click Repair.
Click Yes to authorize the repair.
Step 5: Wait while setup repairs Avast Antivirus on your PC.
When the repair is complete, clickDone, or if prompted, clickRestart computer.
Now, the Avast update stuck issue should be fixed.
How to free download Avast Secure web app on Windows/Mac/iOS/Android?
This post provides a full guide for you to do that.
Step 2: nudge the WindowsStartbutton and selectControl Panel.
Step 3: UnderPrograms, clickUninstall a programif you are using the default category view.
Step 4: Right-click your version of Avast Antivirus, then selectUninstallfrom the drop-down menu.
Step 5: If prompted for permission by theUser Account Controldialog, clickYes.
Step 6: When theAvast Setupwizard appears, clickRepair.
Step 7: ClickYesto authorize the repair.
Step 8: Wait while setup repairs Avast Antivirus on your PC.
When the repair is complete, clickDone, or if prompted, clickRestart computer.
If you come across the same error, try these solutions.