Hardlock.sys File -null- Processing Error ((hot)) -

Modifying system drivers and disabling security features involves risk. Always back up your data and create a System Restore point before proceeding.

Since Windows 10 (version 1607), Microsoft mandates that all kernel-mode drivers must be digitally signed by Microsoft’s Hardware Developer Center (HDC). Most hardlock.sys versions are unsigned or signed with a deprecated SHA-1 certificate. Windows refuses to load the driver, resulting in a "null" response. hardlock.sys file -null- processing error

| Error Message | Likely Cause | Specific Fix | | :--- | :--- | :--- | | hardlock.sys -null- processing error on line 0 | Corrupt driver registry | Run regedit , delete HKLM\SYSTEM\ControlSet001\Services\eventlog\System\Hardlock | | hardlock.sys (null) (0x00000034) | Memory page fault | Run Windows Memory Diagnostic; reinstall driver with /force flag | | Cannot start hardlock.sys - Code 39 | Corrupt USB stack | Device Manager > Universal Serial Bus > Right-click each Root Hub > Uninstall > Restart (Windows rebuilds stack) | | hardlock.sys is missing or contains errors (Code 52) | Digital signature block | Apply UEFI update from motherboard vendor, or use Disable Signature Enforcement as above | Most hardlock