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: SOLVED: Post #11 - IOC on negative edge sometimes triggers twice on single press
You should be able to set the pin type in the 16F18877 to either ST or TTL to match the 1937 type if that's what you're after.
tumbleweed Today, 15:10I don't think your 'INLVLB = %00000100' statement changed anything for...