It's an epidemic, and it's spreading. Do yourself a favor and follow these instructions before you become idiot for life:
1. Run SINS, goto Skill tab, delete all the skills (or you can delete SINS.ini)
2. Create a new character
3. Put the town portal and heavy attack skills on the quick slot
4. Attach the game to SINS
Hold and behold, look at your Log tab... and witness your IQ jumps.
Oh and make sure your desktop is running 32-bit color.
As for the BONUS skils, there's nothing I can do unless someone can lend me an account with these skills.
Also, for future reference, anyone having problems with learning skills on quick slot, follow the instructions above else I'll start labeling you idiots for life as well.
To clarify things further in case you're still clueless. The problem is not with LEARNING skills, the problem is that SINS can't add these BONUS skills (even though they're learned), because SINS can't access these skills.