Slow Down

I was wondering if hard disk encrpytion can slow down performance. I have this installed on my laptop and after running into problems with defragging with comodo time machine I thought I would ask about possible performance issues with comodo disk encrpytion.

I have this installed on my laptop and after running into problems with defragging with comodo time machine I thought I would ask about possible performance issues with comodo disk encrpytion
Sorry [b]LionZion[/b] which Operating System you use , thanks Kind regards