My computer plays random sound clips, and net is slow

[AB33]

Hello,
I think my computer has a virus, because it plays random sound clips, and I'm getting popups. When I browse net it is getting slow and sometimes crashes for no reason. Can anyone help with this

 

[mi1ez]

Double post.

 

[AB33]

Mi1ez! You are right! I just joined the forum, so will take time to familarise my self.
Sorry!