[Kurosaki-kun]

Originally Posted by Cipher15

Nah you misunderstand dude.

If theres a piece of dust on the IR receiver or on the mouse IR reader (on the bottom of the mouse) that could be whats happening.

Then how come it works perfectly fine on say the internet browser?

[Cipher15]

See, this is what we call process of elimination.

Now that we know this, I can say for sure: Your mouse doesn't like CO.