You downloaded the file, but the software crashes on launch (Error code 0xc000007b). Here is the fix.
: Ensure the physical yellow jumper on your CH341A PCB is set to Pins 1-2 (Programmer mode), not Pins 2-3 (Serial mode).
If you are having trouble getting the programming link or software execution to function properly, follow this checklist compiled from community user reports:
Include specific keywords related to your issue, such as "AS Programmer 21013," "download," "link," and "troubleshooting." asprogrammer 21013 download 39link39 work
For your PC to communicate with hardware dongles like the popular CH341A, you must map the correct low-level interface library.
Last tested: October 2025 – All links and fixes verified.
💻 Step-by-Step Operations Checklist: Flashing Your First Chip You downloaded the file, but the software crashes
Before connecting your USB hardware to the computer, check the underlying wiring orientation.
Upon launching AsProgrammer.exe for the first time, you may find that the initial graphic interface renders in Chinese. You do not need a custom patch to fix this: Locate the option in the top application menu bar.
AsProgrammer acts as the software bridge between a Windows PC and external hardware programmers. While proprietary software packed with budget devices is often outdated, prone to crash, or flagged by antivirus tools, AsProgrammer remains lightweight and safe. Core Hardware Supported BIOS PROGRAMMER SETUP - MARUTI IT EXPERTS If you are having trouble getting the programming
: The installation archive comes packed with five to six comprehensive hardware schematics (compared to only four in legacy builds). It includes direct visual aids for wiring I2C, SPI, and CH341A specific setups. Finding a Working Download Link
The software is tailored to work seamlessly with the hardware (a specific PCB design released around 2020-2021) but is backward compatible with the ubiquitous CH341A "Black" and "Green" programmers found on eBay and AliExpress for roughly $10–$15.
While v2.1.0.13 was a widely used "fix" version, newer and more stable versions (such as
You can find the software and associated drivers at these reputable community and developer sites: Official Developer Repository : The primary source for the latest official updates is the UsbAsp-flash GitHub Releases page by nofeletru. AsProgrammer Dregmod