Whenever any changes are made in your system then it is recorded in registry. For example if you install a program, remove a program then it is recorded in registry. If you want you can edit the registry manually. Be sure to backup the registry so that any error occurs then you can restore the registry.
Lime my page:https://www.facebook.com/kundanstech?ref=hl
Follow me on twitter: https://twitter.com/kundandxb
Follow me on Google…