Whenever you inquire about one of your environment variables, it shows you the current setting, but then tacks on an alarmist message concerning the future of the variable. Won't allow any changes on your system, but keeps saying that things will get better as soon as it takes over the White House. Probably harmless, but it makes a lot of people really mad just thinking about it. Your system works fine, but it complains loudly about foreign software. Secretly, you wish it would.
Files disappear, only to reappear mysteriously a year later, in another directory.
The computer locks up, and the screen splits in half with the same message appearing on each side of the screen. The message says that the blame for the gridlock is caused by the other side. It proceeds to fill up all the free space on your hard drive with new files, then blames it on the Congressional virus. We need your support.