Cannot — Create Drvsetup64 Drvsetup64.exe

The driver file might be corrupted or from an incompatible source. Download a fresh copy from a reliable source, such as the manufacturer's official website or a trusted open-source repository.

Starting with Windows 8, Microsoft introduced strict "Driver Signature Enforcement." This requires that all kernel-mode drivers be digitally signed by Microsoft. Many driver installers for Chinese hardware, including the CH340 drivers, do not have this signature. This often results in an error message like Error:installdvr64 exit code==0 because Windows deliberately blocks the installation of unsigned drivers for security reasons.

Click if the User Account Control (UAC) prompt appears, and proceed with the installation. Step 2: Clear and Fix Permissions on the Temp Folder cannot create drvsetup64 drvsetup64.exe

Choose and select the folder where the driver files were extracted. 4. Turn Off Real-Time Protection (Windows Security)

Your security software might be interfering by preventing drvsetup64.exe from creating files, mistaking it for potentially unwanted behavior. Always re-enable your security software after the installation. The driver file might be corrupted or from

: If a download gets interrupted, the resulting extraction folder may become corrupted. Similarly, if the Windows Temp folder has restrictive permissions or data corruption, the installer cannot write new files to it.

The installer might be failing to create a directory or file due to permission restrictions. Many driver installers for Chinese hardware, including the

is a frequent secondary cause. Antivirus programs and Windows Defender often flag

If the installation succeeds, re-enable your antivirus and add the driver folder to its exclusion list. For CH340 drivers, this is often a false positive.

Press the Windows Key , type cmd , right-click on , and select Run as administrator .

Locate any "Unknown Device" or existing "USB-Serial CH340" entries.