3.2 Common Security Issue Symptoms Part 3 3. Software Troubleshooting (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002 This entry is part 220 of 278 in the series Comptia A+ (Plus) 220-1002 Series Rogue antivirus Spam Renamed system files Disappearing files File Permission Changes Author: Previous Article 3.2 Common Security Issue Symptoms Part 2 Next Article 3.2 Common Security Issue Symptoms: Hijacked Email Latest Posts Storage Area Network (SAN) APM and ACPI Acceptable Use Policy