Asprogrammer 2.1.0.13 Free -

| | Likely Cause | Fix | |-------------|------------------|---------| | CH341A not found | Driver missing or conflict | Reinstall CH341SER driver, disable driver signature enforcement on Win10/11. | | Write fails at 50% | Bad contact or voltage mismatch | Clean chip pins, check 3.3V supply, lower speed in options. | | Verify fails immediately | Incorrect chip model or buffer offset | Manually select correct IC, check buffer size matches chip. | | Programmer detected but no chip ID | Chip dead or unsupported | Try Read anyway; manually select nearest family. | | Windows cannot run ASProgrammer | Missing MSVCRT / Lazarus runtime | Install Visual C++ Redistributable 2015-2022. |