conservatory leak

Good evening, I have a leaking window in a conservatory, it appears to be leaking out of the bottom left of the frame. I checked and there are no drainage or weep holes I think this is correct for non opening windows. I checked another non leaking frame and it also did not have any weep holes...

Water is getting into our conservatory and has ruined part of our windowsill. The water pools in one corner. Somebody advised me to apply CT1 to seal the gap between our conservatory windows and the sill on the outside to stop the leak. It didn’t work, and now somebody else has said that I...