Unable to Install Antivirus
Antivirus installation or upgrade fails due to the presence of a competitive application.
When attempting to install or upgrade your antivirus, the installation process may fail if installer is blocked by competitive security applications installed to the system.
Check following application(s) in your system, if found, uninstall and try again:
- Avast Pro Antivirus
- avast! Antivirus
- avast! Antivirus/Internet Security
- avast! Pro Antivirus
- AvcEngine
- AVG
- AVG Anti-Virus
- AVG AntiVirus FREE
- AVG Protection
- Avira Antivirus
- BitDefender 9 Professional Plus
- BitDefender 9 Standard
- Bitdefender Agent
- BitDefender Antivirus
- BitDefender Antivirus
- Bitdefender Antivirus Free
- Bitdefender Antivirus Plus
- BitDefender Internet Security
- Bitdefender Internet Security
- BitDefender Internet Security
- BitDefender Internet Security
- BitDefender Total Security
- Bitdefender Windows 8 Security
- BullGuard Internet Security
- CA Anti-Virus
- CA eTrust Antivirus
- CA Etrust EZ Antivirus
- CA Etrust Internet Security Suite
- CA eTrust PestPatrol Anti-Spyware
- CA Internet Security Suite
- COMODO Cloud Antivirus
- COMODO Internet Security
- COMODO Internet Security Premium
- CrowdStrike (Falcon Cloud) may stop server installs
- Dr.Web Anti-virus for Windows
- Emsisoft Internet Security
- eScan Anti-Virus (AV) Edition for Windows
- eScan Internet Security for Windows
- ESET File Security
- ESET Internet Security
- ESET NOD32 Antivirus
- ESET Smart Security
- eTrust EZ Armor
- FALCON ENDPOINT PROTECTION
- FirewallEngine
- F-Secure Anti-Virus
- F-Secure Internet Security
- F-Secure SAFE
- G DATA ANTIVIRUS
- G Data Internet Security
- G DATA TOTAL PROTECTION
- G DATA TOTAL SECURITY
- HitmanPro.Alert 3
- iolo technologies’ System Mechanic
- iolo technologies’ System Mechanic Professional
- K7 AntiVirus
- K7 TotalSecurity
- K7 UltimateSecurity
- K7AntiVirus Plus
- K7AntiVirus Premium
- K7InternetSecurity
- K7SecureWeb
- K7TotalSecurity
- K7TotalSecurity Pro
- K7UltimateSecurity
- Kaspersky Anti-Virus
- Kaspersky Anti-Virus/Internet Security
- Kaspersky Anti-Virus/Internet Security/Total Security
- Kaspersky Endpoint Security 10 for Windows
- Kaspersky Internet Security
- Kaspersky PURE
- Kaspersky Secure Connection
- Kaspersky Security Center Network Agent
- Kaspersky Security Center SHV
- Kaspersky Small Office Security
- Kaspersky Total Security
- Kingsoft Basic Service
- Kingsoft Internet Security 9 Plus
- Kingsoft Vulnerability Fix
- Lavasoft Ad-Aware
- McAfee Internet Security Suite
- McAfee LiveSafe
- McAfee Personal Firewall Plus
- McAfee SecurityCenter
- McAfee Security Scan
- McAfee Total Protection
- McAfee VirusScan
- McAfee VirusScan Enterprise
- McAfee Web Advisor
- Mcafee.com SecurityCenter
- McAfeeВ® Total Protection
- Microsoft Security Client
- Microsoft Security Essentials
- Norman Security Suite
- Norton AntiSpyware
- Norton Password Manager
- NPF
- nProtect Anti-Virus/Spyware
- nProtect GameGuard
- OnlineThreatsEngine
- Panda Antivirus
- Panda Antivirus Pro
- Panda Antivirus Pro
- Panda Antivirus Titanium
- Panda Cloud Antivirus
- Panda Free Antivirus
- Panda Global Protection
- Panda GOLD Protection
- Panda Internet Security
- Panda Protection
- Panda Titanium 2006 Antivirus + Antispyware
- PC Tools AntiVirus
- PC Tools Firewall Plus
- PC Tools Internet Security
- PC Tools Security for Netbooks
- PC Tools Spam Monitor
- PC Tools Spyware Doctor
- PC Tools Threat Fire
- Quick Heal AntiVirus Pro
- Quick Heal Internet Security
- Quick Heal Total Security
- Rising Internet Security
- Sophos Anti-Virus
- Sophos AutoUpdate
- Sophos Diagnostic Utility
- Sophos Health
- Sophos Management Communications System
- Sophos Management Console
- Sophos Network Threat Protection
- Sophos System Protection
- Spy Sweeper
- Spy Sweeper Core
- Spy Sweeper for MSN
- Sunbelt CounterSpy
- Sygate Personal Firewall 6.6 (Symantec Protection Agent 5.1)
- Symantec AntiVirus Central Quarantine
- Symantec Browser Protection Lite
- Symantec Client Firewall
- Symantec Endpoint Protection Small Business Edition
- System Mechanic 15 Professional
- System Shield 4 AntiVirus & AntiSpyware
- TELUS security advisor
- TELUS security services
- Tiny Firewall 2005
- TinyWall
- TotalAV
- Trend Micro AntiVirus
- Trend Micro AntiVirus+
- Trend Micro Internet Security
- Trend Micro Maximum Security
- Trend Micro PC-cillin Internet Security
- Trend Micro Security Agent
- Trend Micro Titanium Internet Security
- Trend Micro Worry-Free Business Security Agent
- VIPRE Advanced Security
- VIPRE Antivirus
- VIPRE Internet Security
- VIPRE Internet Security Pro
- Webroot AntiVirus with Spy Sweeper
- Webroot SecureAnywhere
- Webroot Software
- Windows Live OneCare
- ZoneAlarm
- ZoneAlarm Antivirus
- ZoneAlarm Anti-virus
- ZoneAlarm Extreme Security
- ZoneAlarm Firewall
- ZoneAlarm ForceField
- ZoneAlarm Pro
- ZoneAlarm Security
- ZoneAlarm Security Suite
- All remaining competitive applications but not limited to; like:
- McAfee Security Scan
- Trend Micro Maximum Security
- ESET Smart Security
- Sygate Personal Firewall 6.6 (Symantec Protection Agent 5.1)
- Norton Password Manager
- Symantec Client Firewall
- Symantec AntiVirus Central Quarantine
- Norton AntiSpyware
- Symantec Browser Protection Lite
- NPF
For uninstaller tool visit: https://www.letsgocart.com/blog/uninstall-tool-for-antivirus/
You can find uninstall tool for most common antivirus on above link or simply search for it.