ACER/ASPIRE 4720Z
Error during net surfing

I am using acer laptop, model no.aspire 4720z.

whenever i login google and try to search it shows a message like google error forbidden.i talked with customer care service from where i have taken internet connection but he suggested me to talk at acer customer care.

i am pasting the problem which i am facing during net surfing kindly look after the matter and solve.

Google

Error

Forbidden

Your client does not have permission to get URL /custom? hl=en&client=pub-2141221394801249&channel=7215448870&cof=FORID 3A1 3BGL 3A1 3BLBGC 3A336699 3BLC 3A 230000ff 3BVLC 3A 23663399 3BGFNT 3A 230000ff 3BGIMP 3A 230000ff 3BDIV 3A 23336699 3B&ie=ISO-8859-1&oe=ISO-8859-1&q=fda from this server.