Hello DrByte,

thanks ever so much for taking the time to reply to me. Please bear with me, I am just going to confirm the last two details. I think I know but I am not 100%.

- what ZC version are you using?
I upgraded to 1.5.3, then from there to 1.5.4. I applied sql patches before the admin went awry thankfully, so that is set
- which init_cache_key_check.php file are you now using
I am using the one on this thread, before that it was the 1.5.4 version, before that it was 1.5.3
- are you actually getting just "blank page"? or are you really getting the "too many redirects"?
What I think happened, is upgraded to 1.5.3 then saw blank page. I had a break then went back to it the other day and still blank. So I saw change log and thought there might be a strong chance it may be fixed in 1.5.4 so upgraded to that. I had someone trying to figure it out, and they notified it was redirect loop and been ever since.