i read a post in the reaction time test thread and then clicked home, but it still says i have not read the post that i just read   i looked at the post again and sure enough ive read it, i clicked home and still my tick is yellow  

?????

this is only hapening for the general board btw

If you just opened the thread from the index then try opening the actual board. If that doesn't work then you just need to refresh the page (f5)