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: IOC flag triggered when PIC is unplugged...?
I'm certain it has something to do with voltage levels as the PIC loses power.
Demon Today, 18:54IOC flags are randomly triggered when VDD is cut with a switch, but not on MCLR.
Values are READ from DATA at PIC...