Hia, my oQ was working just fine , then had to reinstall my Windows. Now istalled wow and oQ aswell and it doesn't wona work on my character on Sylvanas but still work for my characters in Twisting Neather. What is the prob and how can I fix it. Reinstalled oQ many times, still the same thing. I can see it in my addon list, I can open the oQ window with /oq, dont have minimap icon tho, and when I open the oQ window its empty. :(

Try this: (in no particular order).

Type /oq tz sk.
Press the find mesh button. 
On the setup tab make sure you have "auto join oq general" checked. 

amm typed what u said man and nothing happened. and When I click on the setup tab it doesn't show me anything its just a black blank tab, like all the tabs are :(
 

if it works on one realm but not another, then your issue is with your mesh connection.

look to the lower right... those 2 numbers are your connection.  it varies between factions and realm to realm. 

make sure 'auto join oqgeneral' is checked on the setup tab.  then click 'find mesh' on the find-premade tab

m8 I dont have tabs, oQ opens and all the tabs are blank, nada and thats only on sylvanas
 

If the tabs r blank there is something wrong with the install. Or the realm is bugged somehow. Type /oq stats. Can u copy paste us the results?

Amm can't rly copy the stats from my chat but compared the stat from twisting neather ( where oQ works) and sylvanas and the difference is only the line: 

my_realm    :X  unknown realm: Sylvanas

so how can I make it known :)

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ok.  type this:

/script print(GetCVar( "realmList" ));

what does it return?
where are you?  US or EU?

It returns us.logon.worldofwarcraft.com but in tiwsting neather where it works returns the same when I type /script print(GetCVar( "realmList" )); so I dont think thats the issue bud :(