Acer Extensa 5420-5687 Notebook "reg tunes" Questions

i dont no went wrong with my laptop is their anything i could download like reg cure i cant afford to buy one i did download reg cure but it only told me what was wrong wouldnt fix unless i purchessed

Reg Clean Pro Key Its illegal for anyone to provide serial keys for programs that have retail value set on them there are freeware alternatives available on the internet as well as the chkdsk utility ...

...will take you to my shared drive @ 4shared.com dont worry it's safe....and i am not spamming....