windows 8 installation error illegal operation(troubleshooting)

Windows 8 Installation Troubleshooting illegal Operation         and    Registry Error

Trouble..!

"when I'm trying to install windows 8 show some error massage "Microsoft has performed an  illegal operation and will shut down if the persists, contract the department of justice" or "registry error " then Restarting computer automatically.

Why This Trouble..?

• may you have no insufficient RAM size 

• damaged  RAM

Troubleshooting/solution

• Add additional RAM     

• Replace your RAM (1 GB is recommenced for windows 8)