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: I/O Pin status during startup
The important part is to set the PORT (or LAT) registers BEFORE setting the TRIS registers to outputs.
tumbleweed Today, 20:01Otherwise the pins will be in output mode for a period of time but the outputs aren't specified.