Posting because I was having this issue and managed to correct it.
I'm using an ATI Radeon Card, got a new computer and was rather excited until I finally loaded heRO back up and found this problem, turns out, it's easily fixed in the Setup.
Just go to the top where it says like "Direct3D" or something and select "ATI Radeon (series number)" if there are two of these, I don't know which will be more likely to work, but for me the bottom one worked, just try both out and it should work.
Quote:i always got this blank screen after using alt+tab (to see guide, im newbie in this server)
can someone tell me how to remove this bug?
i install today, all fine except this bug
pleaseee(bcoz i need see guide a lot)
as for this, I've no clue, more information regarding your settings would certainly help though. Graphics card (nVidia, ATI), Operating System (7, Vista, XP), and anything else you could think of that might help.