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Fix Secure Boot Violation errors by resetting Secure Boot keys, confirming UEFI boot mode, checking boot order, running Startup Repair, and handling dual-boot edge cases.

Decide whether to upgrade from Windows 10 to Windows 11 by checking eligibility, support timelines, security requirements, app compatibility, backups, and upgrade steps.

Look up common Windows blue screen stop codes, understand their likely causes, and choose the right next troubleshooting step.

Fix PAGE_FAULT_IN_NONPAGED_AREA on Windows by checking named drivers, testing RAM, running CHKDSK, repairing system files, reading minidumps, checking heat, and resetting as a last resort.

Fix PFN_LIST_CORRUPT on Windows by testing RAM, rolling back drivers, repairing system files, reseating memory, checking warranties, and handling sealed laptops safely.

Fix a network printer that Windows cannot find by checking Wi-Fi, restarting Print Spooler, adding by IP address, enabling discovery, checking router isolation, and updating drivers.

Fix MACHINE_CHECK_EXCEPTION blue screens by undoing CPU/RAM overclocks, checking cooling, updating BIOS, reviewing WHEA logs, testing RAM, and ruling out PSU or CPU failure.

Troubleshoot MEMORY_MANAGEMENT blue screens by testing RAM, updating drivers, checking drive errors, running SFC, disabling XMP, and considering motherboard or deeper memory tests.

Fix IRQL_NOT_LESS_OR_EQUAL on Windows by checking named drivers, rolling back updates, removing third-party antivirus, repairing system files, testing memory, and reviewing minidumps.

Understand which Windows temporary files are safe to delete, when to avoid cleanup, how Storage Sense handles temp files, and why browser cache is separate.