Window failed to start?

Ok this is the problem i start up my laptop then its gives me option like safe mode etc. then i start window normally then its keep bringing me to window boot manager..window failed to start a recent hardware or software change might be the cause.

to fix problem

1.insert windows installation disc and restart your computer

2.choose your language

3.click repair your computer

Well the problem is i dont have the disc is there some way i can download it can some 1 give me step by step on how to repair my computer

Window failed to start?adware

Probally your computer are in some bad programes, for example it would be working if you recently visited some sex-websites.

suggestion:

1. recommend you reinstall C: system, D: for installing application program, E: for your files. F: for storage your big files like application setup files, movies, images. IMPORTANT: Using backup software to backup C: disk after installation of operation system and necessary programes like office sofewares, printer. photshop etc. It only takes 10-20mins to restore C: when you meet again this problem today

2. find out the reason , where are problems? who knows, here is some ways: you can press ''del'' button when computer start up, come into boot programe check if it's correct hardware setup. Then press ''F8'', step by step checking every sofeware progrmae running process with your system programe.

Window failed to start?antivirus scan

That sucks. Why don't you have your disk? This can be done, but only illegally. You need a legitimate product key for your version of Windows. Sorry, I can't tell you the illegal way, but you can learn anything from Google.

Good luck, and never get updates unless you are legitimate!