What is it unexpected error in jtag server error code 12?

Hi,

May I know which blaster are you using? Could you provide the all the message that is printed in Quartus Message?

Hi,

1. This is the only message I've got after the auto-detection process.
2. I use the USB blaster II

Thank you

Hi,

1. Could you provide me the screenshot of the issue?
2. Can you duplicate the issue on another system?

Hi,

1. Unfortunately, I can't provide you screenshot.
2. I'll try on the another system and I'll update you later.

Thank you

Hi,

If you are still facing the issue, could you provide me your JTAG Chain and step to duplicate the issue?