files in temporary folders as suspicious. Disable your antivirus or firewall during the installation process. Check File Corruption
: Right-click the main installer file (often named CH341SER.exe or setup.exe ) and select Run as Administrator . This provides the necessary permissions to create the DRVSETUP64 folder and file. Manual Extraction : cannot create drvsetup64 drvsetup64.exe
: Right-click the main installer or the tool you are using and select Run as administrator Disable Antivirus Temporarily files in temporary folders as suspicious
This is the most common fix.
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