If you are installing from the blue disc, you shouldn't have any problems.
But remember to right-click the install program and "Run As Administrator".
If you are installing from an older Black and White disc, there are a few extra steps to follow.
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Re: PBP and IDE/programmer
The programming spec document for the 12F508 states that the min VDD for programming and bulk erase is 4.5V, so I'd increase that just to be safe....
tumbleweed Today, 13:19