to fix ur nero problem first

Nero 7 CleanTool

u can get it here ( plz use the site for more info )

http://www.nero.com/eng/support-nero7-tools-utilities.html

as for ur problem with too much junk heres a few tools

ccleaner

speed up ur pc and clean up junk files
clean ur registry and even enable? disable automatic start up programs when windows boots and loads

this is a free tool

u can get it here ( plz use the site for more info)

http://www.ccleaner.com/

its a very easy to use utility so no explanation is needed i guess

and here is a good one with more functions and possibilities for a better speed up

Uniblue Software Solutions

this is not a free tool

u can get it here and use the site for more info

http://www1.uniblue.com/products/campaigns/ppc/ub/google/us/index.html?gclid=CMaZgbua85UCFQyI1QodYXguiw

Maximize Stability, Performance and Protection
Power Package = RegistryBooster2 + SpeedUpMyPC + DriverScanner

and my favourite is

wintools.net

this is not a free tool

u can get it here and check the site for more info

http://vista.wintools.net/

hope this helps you

+sha za labs+

or