To bypass these hurdles, you must manually disable driver signature verification and install a compatible, older driver package. Step 1: Disable Driver Signature Enforcement
Click , navigate to the folder where you extracted your drivers, select the ftdibus.inf file, and click Open , then OK . Select USB Serial Converter from the list and click Next . opcom 1.99 drivers windows 10
The core issue users face is that the Opcom software suite was developed during the Windows XP and Vista eras. The drivers included on the installation CDs (often labeled as 1.39 or 1.59) are incompatible with Windows 10’s driver enforcement architecture. To bypass these hurdles, you must manually disable
Select the .inf file (usually ftdibus.inf ) and ignore the Windows security warning to proceed. Troubleshooting Common Failures Probable Cause Resolution Incorrect COM port or driver mismatch The core issue users face is that the
OPCOM driver files (usually found within the installation folder of your software, often labeled FTDI or OPCOM_Drivers ). Step-by-Step: Installing OPCOM 1.99 Drivers on Windows 10