Learn why rebooting into Safe Mode and running an antivirus scan is the best next step when malware blocks Task Manager, as required for the CompTIA A+ Core 1 220-1101 exam. Understand how Safe Mode helps bypass malware defenses for effective system remediation.
Table of Contents
Question
A technician suspects that malware has infected a system and is preventing access to Task Manager. What is the best next step?
A. Reboot into Safe Mode and run an antivirus scan
B. Reinstall the operating system
C. Manually delete all unknown processes
D. Perform a System Restore
E. Run disk cleanup
Answer
A. Reboot into Safe Mode and run an antivirus scan
Explanation
Safe Mode prevents most malware from running, allowing the technician to perform an effective antivirus scan.
When malware infects a system and prevents access to Task Manager, rebooting into Safe Mode is the most effective first step. Safe Mode loads only essential system processes and drivers, preventing most malware from running and interfering with system tools or antivirus software. Once in Safe Mode, running a reputable antivirus scan increases the likelihood of detecting and removing malware that would otherwise block or evade removal in normal mode. This approach is widely recommended in professional malware remediation guides because it isolates the system from active malicious processes, allowing for more thorough and successful cleaning.
Other options, such as performing a System Restore, are discouraged because malware can infect restore points, potentially reintroducing the threat. Manual deletion of processes is risky and ineffective, and reinstalling the operating system should only be considered if Safe Mode remediation fails.
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