Security

Browse troubleshooting guides for security. Find solutions for Malware, Encryption, Account, Network.

MalwareEncryptionAccountNetwork
securityGeneral
Antivirus showing "Threat Detected"

Your security software has found a potentially malicious file on your system.

3 steps
securityGeneral
Antivirus unable to update definitions

The security software cannot download the latest list of known viruses.

3 steps
securityGeneral
Antivirus service not starting

The background process that protects your PC is disabled and won't turn on.

3 steps
securityGeneral
Antivirus causing system slowdown

Your PC becomes sluggish or freezes whenever the antivirus is scanning.

3 steps
securityGeneral
Firewall blocking legitimate app

A program you trust cannot connect to the internet because the firewall is stopping it.

3 steps
securityGeneral
Firewall unable to enable

You try to turn on the firewall but it stays off or gives an error.

3 steps
securityGeneral
Firewall showing "Settings Managed by Admin"

You cannot change firewall settings because they are locked by a system policy.

3 steps
securityGeneral
Malware found but cannot be removed

Your antivirus detects a threat but fails to delete or quarantine it.

3 steps
securityGeneral
Ransomware warning appearing

A screen appears claiming your files are encrypted and demanding payment.

3 steps
securityGeneral
Phishing email received

An email pretending to be from a trusted source (like your bank) asks for your password.

3 steps
securityGeneral
Browser showing "Malicious Site" warning

A red screen prevents you from visiting a site that contains malware or phishing.

3 steps
securityGeneral
Browser redirected to unknown search engine

You search in Google but the results come from a weird site you don't recognize.

3 steps
Page 1 of 13
Security — Troubleshooting Guides | FixMyDevice