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Uninstalling other antivirus software

 

Before installing Avast Premium Security or Avast Free Antivirus, you must first ensure that no other antivirus applications (including expired or trial versions) are installed on your PC. When multiple antivirus applications are installed on one PC, conflicts such as false-positive detections, performance degradation, and system instability occur.

It is only possible to use Avast Antivirus alongside another antivirus application if Avast Antivirus is running in passive mode. For more information, refer to the following article:
  • Using Passive Mode in Avast Antivirus

Uninstall other antivirus software

The following links direct you to the websites of other antivirus software providers for uninstallation instructions. Avast is not responsible for any of the content on the linked web pages. If the antivirus program you are trying to uninstall is not in the list, refer to the application's support website.

It is not possible to uninstall Microsoft Windows Defender. However, Microsoft Windows Defender disables automatically to allow Avast Antivirus to install correctly.

A | B | C | D | E | F | G | K | L | M | N | P | Q | S | T | W

A

  • adaware antivirus software uninstallation
  • AVG antivirus software uninstallation
  • AVIRA antivirus software uninstallation

B

  • BitDefender antivirus software uninstallation
  • BullGuard antivirus software uninstallation

C

  • CA / Total Defense antivirus software uninstallation (removal tool download only)
  • Comodo antivirus software uninstallation

D

  • Dr. Web antivirus software uninstallation (for registered Dr. Web users only)

E

  • eScan antivirus software uninstallation (removal tool download only)
  • ESET antivirus software uninstallation

F

  • F-Secure antivirus software uninstallation

G

  • G DATA antivirus software uninstallation

K

  • Kaspersky antivirus software uninstallation

L

  • LavaSoft adaware antivirus software uninstallation

M

  • McAfee antivirus software uninstallation

N

  • Norton antivirus software uninstallation

P

  • Panda antivirus software uninstallation

Q

  • Qihu 360 antivirus software uninstallation
  • Quick Heal antivirus software uninstallation

S

  • Sophos antivirus software uninstallation
  • Spybot Search & Destroy antivirus software uninstallation
  • Sunbelt / VIPRE antivirus software uninstallation

T

  • CA / Total Defense antivirus software uninstallation (removal tool download only)
  • TrendMicro antivirus software uninstallation

V

  • VIPRE / Sunbelt antivirus software uninstallation

W

  • WebRoot antivirus software uninstallation

Z

  • ZoneAlarm antivirus software uninstallation

Before installing Avast Premium Security or Avast Security, you must first ensure that no other antivirus applications (including expired or trial versions) are installed on your Mac. When multiple antivirus applications are installed on one Mac, conflicts such as false-positive detections, performance degradation, and system instability occur.

Uninstall other antivirus software

The following links direct you to the websites of other antivirus software providers for uninstallation instructions. Avast is not responsible for any of the content on the linked web pages. If the antivirus program you are trying to uninstall is not in the list, refer to the application's support website.

A | B | E | F | K | L | M | N | P | R | S | T | V | W | Z

A

  • AVG antivirus software uninstallation
  • Avira antivirus software uninstallation

B

  • Bitdefender antivirus software uninstallation
  • BullGuard antivirus software uninstallation

E

  • Eset antivirus software uninstallation

F

  • F-Secure antivirus software uninstallation

K

  • Kaspersky antivirus software uninstallation

L

  • Little Snitch antivirus software uninstallation

M

  • McAfee antivirus software uninstallation

N

  • Norton antivirus software uninstallation

P

  • Panda antivirus software uninstallation

R

  • Rapport / Trusteer antivirus software uninstallation

S

  • Sophos antivirus software uninstallation

T

  • Total Defense antivirus software uninstallation
  • Trend Micro antivirus software uninstallation
  • Trusteer / Rapport antivirus software uninstallation

W

  • WebRoot antivirus software uninstallation
  • Avast Premium Security 20.x for Windows
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Updated on: 02/06/2022

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