how to set setup is preparing your computer for first time Error
Method 1 – Registry Keys :
GoTO : HKEY_LOCAL_MACHINE\SYSTEM\Setup
Here you will see a few keys related to the system setup. The registry keys and their values should look like this:
“CmdLine”=”” (This field should be Blank )
Method 2 – Perform a Startup Repair :
You can also try to perform a startup repair in Windows 7, which might be able to fix the setup problem. You can check out this article from Microsoft on how to do a startup repair.
Method 3 – Do a Clean Boot
The only other way you could be getting this message is if there is a program or service that is causing it to occur. By performing a clean boot, you can quickly determine whether it indeed is a program or service. You can read the following post from Microsoft that details the steps to perform a clean boot.
Hopefully, one of the above solutions fixes your problem. If not, post a comment here and let us know what you tried. Enjoy!