Tested and working with AVR studio 4 and Windows XP. The AVR Studio 4 programmer may be either STK500 or AVRISP. If you get a verify error message after programming, go to the Program tab and uncheck Erase device before programming, then go to Auto tab and uncheck Erase device, Check signature and Enable fuse warning.

In my setup, the problem came from the fact that after an erase, the program sequence start too fast. That is why I unchecked the above boxes and manually start the following sequence:

• Erase Chip
• Program
• Read
• Verify

By manually execution, there is enough pause between erase and program steps, so all operations complete successfully.

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