Many years ago I had a girlfriend who worriedly asked me about an "illegal instruction" error when her browser crashed. She added that she was not on a porn or

Many years ago I had a girlfriend who worriedly asked me about an "illegal instruction" error when her browser crashed. She added that she was not on a porn or shady site. She had read "illegal" and interpreted as applying to something she did. People who aren't into computers and software don't know wtf an "illegal instruction" is. They just want to know what to do fix it and not have it happen again.