Unable to Access the Network:1 - 1:Verify physical connections and network adapter settings. Run the Network Troubleshooter. Check for malware that could be altering network settings using antivirus/anti-malware tools. Ensure the firewall is not blocking connections unnecessarily. , Desktop Alerts:2 - 2:Verify the alert's authenticity. If it's legitimate, follow the recommended action. Update your antivirus and run a full system scan For false alerts, verify settings in the security application and update its database. , False Alerts Regarding Antivirus Protection.3 - 3: Confirm antivirus is installed and updated. Check for malware or rogue antivirus software using a trusted antivirus or anti-malware tool. Uninstall and reinstall your antivirus software if necessary. , Altered System or Personal Files.4 - 4: Scan the system for ransomware or other malicious programs. Disconnect from the network immediately to prevent spread. Restore files from a recent backup if available. Use specialized tools to attempt decryption of ransomware-encrypted files , Missing/Renamed Files. 5 - 5: Run antivirus/anti-malware scans to detect and remove threats. Check Recycle Bin or use file recovery tools to restore missing files. Verify file and folder permissions for unauthorized changes. , Unwanted Notifications Within the.OS.6 - 6: Verify the source of the notifications to ensure they are legitimate. Disable unnecessary startup applications that may trigger unwanted messages. Run a malware scan to remove any potentially unwanted programs (PUPs). , OS Update Failures.7 - 7: Check for errors in the Windows Update Troubleshooter. Free up disk space to ensure adequate room for updates. Temporarily disable antivirus software to avoid conflicts. Ensure the system date and time are correct. , Browser-Related Symptoms.8 - 8: Random/Frequent Pop-ups. Close the browser and avoid interacting with pop-ups. Clear the browser's cache, cookies, and history.Remove unwanted extensions or add-ons. Run anti-malware tools to detect adware.  Run anti-malware tools to detect adware., Certificate Warnings.9 - 9: Verify the website URL for typos or redirection to phishing sites. Check the system date and time for accuracy (incorrect settings can trigger warnings). Avoid accessing the site if the certificate is invalid or untrusted. , Redirection.10 - Redirection: Clear the 10: Check for and remove malicious browser extensions. Scan the system with anti-malware tools for infections. Manually review and restore the default DNS settings. ,

a+1102 3.2 troubleshoot common personal computer (PC) security issues

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