Missing File Error Message

Corrupt of Missing System file

Hi everyone. We had a remote user whose laptop shutdown on her while working on emails and when it restarted it gave the following message: Windows could not start because the following file is missing or corrupt: \windows\system32\config\system We set up a new laptop for her and swapped it out. ...

convert numerical values to missing

How do I convert numerical values for a bunch of variables to missing?