The following videos provide step-by-step visual guides on fixing driver Code 39 errors through various system settings:
Windows 11 will not load drivers that aren't digitally signed by Microsoft unless you manually bypass this check. Click > Settings > System > Recovery . Find Advanced startup and click Restart now .
bcdedit /set testsigning on bcdedit /set nointegritychecks on shutdown /r /t 0 Virtual Usb Multikey Code 39 Windows 11
To resolve Code 39 for Virtual USB Multikey on Windows 11, the usual troubleshooting path involves:
Corrupted registry entries can also cause Code 39. Deleting specific filter values can reset the driver stack. WinTips.org , and press Enter. Navigate to: The following videos provide step-by-step visual guides on
If you decide to proceed, follow the step‑by‑step instructions carefully, back up your system beforehand, and test thoroughly in a non‑production environment first. With the right approach, you can overcome Windows 11’s security barriers and get your essential software working again.
After the PC restarts, select .
If the error persists, you can force Windows to ignore certain integrity checks through the Windows Registry Editor.
Hold the key while clicking Restart in the Windows Start Menu. Navigate to: If you decide to proceed, follow
While disabling Windows 11 core security features fixes the Code 39 error, it exposes your operating system to malware, rootkits, and vulnerabilities. If you rely on this setup for production environments, consider these alternative approaches:
MultiKey drivers are usually self-signed or unsigned. Windows 11 blocks them by default.