USBasp - USB programmer for Atmel AVR controllers. Official USBasp product by MSXA portion of each sale goes to this project!€ 9,9.

• Windows 8.1 X64 Drivers
• Windows 8.1 Messenger

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What causes driver-related problems? Uninstalling / reinstalling programs, upgrading software or hardware, Windows updates or service pack upgrades, or spyware/virus infections to become corrupt can cause your drivers become outdated. What are the problems caused by corrupt drivers? Corrupted or outdated drivers often create file errors, communication problems, or hardware malfunction in Windows. Common problems include no sound, printing malfunctions, video / screen problems. How can I resolve driver related problems?

Windows 8.1 X64 Drivers

The simplest, fastest way to resolve driver related issues is to Download Driver Restore and follow the instructions above.

This will be a quick tutorial on how to install Usbasp Programmer on Windows 8 or 8.1. Since the Usbasp Driver software does not have a proper digital signature we will get an error message like this So we need to Disable the Digital Signature before we can install the Driver So here are the Steps.

1)First we need the Driver software.Here is the link to download the software. 2)Extract the zip file.I prefer to save it in desktop.

3)Now you need to disable the Digital Signature In windows.For that follow these steps Press and Hold Shit key and Click on Restart. This will bring a bunch of options when the computer restarts. 4)Click Troubleshoot 5)Click Advanced Option 6)Click Start up Settings 7)Click Restart 8)Select the Option Disable Driver signature enforcement (i.e Pressing F7 here) 9)Now right Click on Start Icon and select Device manager 10)Open “Other devices” 11)Right click on Usbasp and select Update driver software 12)Select “Browse My computer for driver software” 13)Go to the location where you have extracted the zip folder 14) Click next and when you are Prompted with this warning message please click “Install Driver Software Anyway” 15)If everything is correct you will get the following message. If you guys have any problem please leave a comment below.

Windows 8.1 Messenger

Enjoy Programming your Micro controller.!