From the other side of the consultation, briefly. The version of this that has an answer is narrower than the version being asked. Narrow it and it becomes tractable; leave it broad and the thread will produce nine confident and incompatible replies.

That is the short version; the long version is somebody else's post.

A narrower follow-up, since the general answer is now clear:

How long did you give it before you decided it was working?

sean_dublin said:

The version of this that has an answer is narrower than the version being asked.

I am going to disagree with the direction of travel here. The thread has converged on the tidiest answer rather than the best-supported one, and those are not the same thing.

sean_dublin said:

The version of this that has an answer is narrower than the version being asked.

Right, and the exception is worth naming rather than left implied, because the exception is where people get into trouble.

Ask again with the specifics and you will get a better answer than this one.

Moderator note: two posts asking for a source have been merged into one. Please search the thread before asking again.