What is meant by "Now you have two problems"?

There is a popular quote by Jamie Zawinski:

Some people, when confronted with a problem, think "I know, I'll use regular expressions." Now they have two problems.

HOW IS BABBY FORMED?

I mention this only because it gives me a chance to tell you about one of the saddest features of my Twitter feed, which is that every couple of weeks, someone out there in the dunderweb @-mentions me with this super clever new variant they've just now thought up all by themselves on either "now you have two problems" or the Law of Software Envelopment (the latter usually sounds something like "Hurf durf cloud durf Facebook hurf durf expands hurf durf git".)

Stop.

Stop. Please stop.

Staaaaahhhhhhhhhppp.

You are making a "GOT MILK"* joke here, people. It's the Twenty First God Damned Century. It is no longer the Nineteen Hundred and Nineties. It's time for some new jokes!

(Though I did get a kick out of this one for a minute.)

Previously, previously, previously.