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1. #HOW TO UNISTALL AVAST COMPUTER SOFTWARE HOW TO#
2. #HOW TO UNISTALL AVAST COMPUTER SOFTWARE INSTALL#
3. #HOW TO UNISTALL AVAST COMPUTER SOFTWARE CODE#

Navigate to the location where you extracted the “ geek.zip” file in the previous step and double-click to run “ geek” application.Ģ. Step 3: Use “Geek Uninstaller” utility to uninstall AVAST.įorce remove the AVAST Antivirus application using Geek uninstaller utility.ġ. When the download is completed, navigate to your download folder and extract the “ geek.zip” file. “ Save” the “ geek.zip” file to your computer.Ĥ. Step 2: Download the “Geek Uninstaller” utility.įirst, download the GEEK Uninstaller utility to remove all AVAST installation files and registry entries.ģ.

#HOW TO UNISTALL AVAST COMPUTER SOFTWARE CODE#

So, before you continue to troubleshoot the error " Code 0x3" problem during AVAST Install/Uninstall procedure, use this Malware Scan and Removal Guide to check and remove viruses or/and malicious programs that may be running on your computer.

Some viruses or malicious programs can corrupt or modify your system files and settings.

#HOW TO UNISTALL AVAST COMPUTER SOFTWARE HOW TO#

Important: This tutorial contains detailed instructions on how to uninstall Avast antivirus manually in order to bypass the "Stub cannot run installer/updater executable" problem, during normal Avast uninstall process. Use the below procedure only if you cannot uninstall AVAST Antivirus either by using the normal procedure (program removal from Control Panel's " Programs and Features" / " Add/Remove Programs") or by using the AVAST uninstall utility ( avastclear.exe). The procedure I followed is described below.

#HOW TO UNISTALL AVAST COMPUTER SOFTWARE INSTALL#

Then I tried to download and install AVAST's latest version, but the same error message "the stub cannot run installer/updater executable…" still appeared at the installation's start.Īfter doing all these, I supposed that" The stub cannot run installer/updater executable 'C:\Program files\Avast Software\Avast\setup\Sfx\instup.ex' (code 0x3)" error occurred because AVAST installation was corrupted, so I decided to manually remove AVAST Free Antivirus. On a client's computer, the following error occurred when the user tried to uninstall AVAST Free Antivirus: " The stub cannot run installer/updater executable 'C:\Program files\Avast Software\Avast\setup\Sfx\instup.ex' (code 0x3)".Īt first I tried to uninstall AVAST using Avast's removal utility ( avastclear.exe) but the same error appeared again.