Are you using notepadd++ or any of the listed tool in the below article by wikileaks.
You must update as soon as possible. It may be act as an virus for you personal computer. Ohh you still feel like you don't need to worry, you have no secrets in you computer. I think you must read the below article by notepad plus plus.
You can comment if you feel security conscious of you system and need advice.
Title : using notepad++ update asap