Lagging alot in wow

Hi, can some1 help me i seem to be lagging alot in wow fireblade. very major lag spikes, dunno if retrac was doing somthing but i barely can play, i dont have best internet or comp but i dont normaly lag this much~

I did all theese:
restart computer
switch internet off and on
put wow to lowest settings

Hopefuly it wasent me just retrac doign somthing XD

you got it fixed right ?

Open if i was wrong.

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