False positive. The driver contains low-level hardware access routines. Add the downloaded file to your antivirus exclusions list. Always verify the digital signature (right-click → Properties → Digital Signatures → should show “CodeSoft Inc.”).
Now your driver will accept ZPL code directly. You can test this by sending a raw ZPL command: codesoft dp7645 iii driver download link
If you have landed on this page, you are likely the owner or operator of a label printer. You might be holding a fresh box of thermal labels, staring at a blinking red light on your device, or preparing for a massive shipping operation. The one thing standing between you and flawless printing is the correct driver. False positive
From the list of printers, scroll down and select Assign the Port: If using a USB cable, look for USB001 or USB002 . If using a traditional printer cable, select LPT1 . Click Next and then Finish . 4. Power On and Test You might be holding a fresh box of