Author Topic: uninstall and reinstall  (Read 1807 times)

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Offline roger158034

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uninstall and reinstall
« on: September 22, 2014, 09:41:16 AM »
How can I uninstall and reinstall avast? can I use same activation key

Offline Asyn

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Re: uninstall and reinstall
« Reply #1 on: September 22, 2014, 09:43:30 AM »
Which avast!..?? (Free/Pro/IS/Premier)
Win 8.1 [x64] - Avast PremSec 21.3.2459.Beta4 [UI.610] - EEK - Firefox ESR 78.9 [NS/uBO/PB] - TB 78.9
Avast-Tools: Secure Browser 89.1 - Cleanup 21.1 - SecureLine 5.11 - Driver Updater 21.1 - CCleaner 5.78
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline thekochs

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Re: uninstall and reinstall
« Reply #2 on: September 22, 2014, 03:08:25 PM »
How can I uninstall and reinstall avast? can I use same activation key

Here is the full/clean way..............

Avast Clean Un- & Re-Install
1. Download Avastclear, Rejzors uninstall tool and the appropriate Avast program edition.
Avastclear : http://files.avast.com/iavs9x/avastclear.exe
Rejzors Uninstall tool: http://rejzor.wordpress.com/avast-cleanup-tool/

Here are the Avast installer links. Note: You need to be ONLINE during this install.
http://files.avast.com/iavs9x/avast_free_antivirus_setup_online.exe
http://files.avast.com/iavs9x/avast_pro_antivirus_setup_online.exe
http://files.avast.com/iavs9x/avast_internet_security_setup_online.exe
http://files.avast.com/iavs9x/avast_premier_antivirus_setup_online.exe

......Now............
2. Uninstall Avast by Control Panel>Programs [If you don't have Avast in control Panel go to #4]
3. Run Avastclear in Normal Mode and allow it to Reboot PC into Safe Mode to complete the removal process.
4. Run Rejzors Uninstall Utility in Normal Mode (removes traces avastclear doesn't) - reboot.
5. Be Sure To Check PC's Device Manager....Control Panel>System Once Uninstall is Complete.
    Make sure to show any hidden devices by selecting pull-down menu Device Manager>View>Show Hidden Devices
If there is anything related to Avast with a yellow triangle then uninstall it (highlight, right click) and reboot.
If you get an error just right-click & delete.
6. Install the Avast version you downloaded.
7. Reboot.
OpenDNS + Avast Free + MBAM Premium + MBAE Free Anti-Exploit + CryptoPrevent + Windows Firewall
Avast FAQ Videos
Avast 2016 Videos
Avast Clean Un/Re-Install How-To