baware.......!!!!!
Your computer starts running sluggishly.
It shuts down unexpectedly or crashes frequently.
It experiences memory problems or runs out of disc space.
Unusual files or directories appear on your system.
Strange messages appear on your screen.
It shuts down unexpectedly or crashes frequently. 
It experiences memory problems or runs out of disc space. 
Unusual files or directories appear on your system. 
Strange messages appear on your screen.