3.2: Common PC Security Issues

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6 Terms

1
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Network Access Issues

Malware causes slowdowns, lockups, connectivity loss, and OS update failures; fix with cleaners or restoring from backup.

2
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Desktop Alerts

Fake push notifications pretending to be malware warnings; disable browser notifications, allow only trusted sites, scan for malware, or rebuild from backup.

3
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Fake Antivirus Alerts

Rogue messages demanding payment or subscriptions; often require specialized removal tools.

4
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Altered Files/Systems

Malware renames, encrypts, deletes, or locks files; permissions may change; fix with cleaners or restoring from backup.

5
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Browser Security Warnings

Certificate errors (expired, wrong domain, unsigned); check details and ensure system date/time is correct.

6
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Browser Redirection

Search results or links redirect elsewhere; usually caused by malware; fix with cleaners or restoring from backup.