|You need to explain what your problem is a lot better. |
"every time i left click a exe file opens "
Is the right thing opening, or the wrong thing ?
What type of mouse are you using ?
A corded USB mouse ?
A corded PS/2 mouse ?
A corded serial mouse ?
Problems with the wires inside the cord are common. Try a different mouse.
A wireless mouse ?
Wireless mice don't stand up to being dropped. Have you dropped it ?
Have you dropped whatever corded or wireless mouse you're using ?
The touchpad on your laptop or nertbook ?