I need too make a command on my computer. I enter into the desk top but every command from there on cease's? (note) AVG windo

[Kkozzo]

I cannot access any programmes; browser's, Firefox, explorer, chrome...
And Photoshop & so on...

 

[hang-the-9]

Need more info here, this happened after what? Start at the beginning, when did this start, what exactly happened, what happens when you try to run programs? Did you get a virus?