3.4 - CompTIA A+ Core 2

Fixes for no network accessibility

Check physical connections, ensure cables are securely plugged in, verify the network adapter is enabled, update NIC drivers, and reload/scan for malware.

Fixes for unwanted OS notifications

Disable notifications from unwanted websites/applications, scan/remove malware, and manage notifications on a per-app basis.

Fixes for false AV alerts

Use a reliable antivirus program to remove the malware causing false alerts.

Fixes for altered system/personal files

Use an antivirus program and/or restore the system from a known good backup.

Missing/renamed files

Occurs when files that are present on the system are deleted or renamed.

Inability to access files

Important files are locked to prevent access, common with ransomware, and some malware can prevent users from disabling it.

Causes for OS update failures

Can occur due to insufficient disk space, corrupted update files, or poor network connections.

Fixes for OS update failures

Free up disk space, use System File Checker to ensure the integrity of system files, enable OS updates via firewalls, and ensure proper network bandwidth to update the OS.

Fixes for random/frequent pop-ups

Update your browser to the latest version, and scan for malware to address pop-ups.

Fixes for certificate warnings

Check the certificate for expiry, improper signing, or date/time conflicts with your system.

Fixes for browser redirection

Use anti-malware/anti-virus to remove the malware causing redirection, and restore from a known good backup.

Fixes for degraded browser performance

Update the browser, remove excess tabs/windows, clear cache and cookies, scan/remove malware, or try a different browser.