Why is my subroutine not being called ?

Hi,

I have to re-write an application that's been running for years because it takes as its input text that I've copied from a website, the particular website has recently changed the format with which it displays its output.

So... I believe that I've re-formatted the data to present the data to my original subroutine in the original format.
When I call the subroutine, everything just stops. I can't find where the... (I don't know what to call it) ...the place where the code is at... usually the line is coloured yellow and there's a little yellow arrow in the margin, I can't find that and the whole of the code and the Watch page are 'fogged' out. Nothing responds to mouse clicks.

I've had something similar before but usually discovered what I've done wrong, but this time the called subroutine hasn't been touched, the data is in the ListOfString in the same format... It just stops.

Nothing from intellisence

At the moment I've not included any code because, for now, I'm hoping for some general pointers as to where to look.


Poppa