If you're using an older parallel port programmer on Windows XP/7, run the install_giveio.bat file found in the data folder to enable hardware access. Conclusion
Click under the Flash section to write the code to the MCU.
: Decompressing files is equally straightforward. Select the file you wish to decompress, choose the output directory, and Sinaprog 20zip will take care of the rest.
The executable is unsigned and not widely recognized. Solution: Click "More info" → "Run anyway". This is normal for legitimate niche portable apps.
This article provides a detailed breakdown of what Sinaprog likely is, what the “20zip” version entails, and how to safely approach a “setup free portable” deployment.
You can find the official ZIP package and user discussions on the AVR Freaks forum or via the Software Informer download page . Obtain the SinaProg_2.0.zip file.