can someone please tell me how to remove jaheira's curse!!!!

Go to the slums and look for a derelict house on the top right corner of the area. Then let the games begin!!!

Kill Ployer and pick up the lock of Jaheira's hair will do the trick.

Spoiler:
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Ployer's house is located in the Slum District, next to the Slaver's boathouse. You have several ways to do this quest:
1) Go there and kill Ployer and his mage assistants
2) Go to Government District, talk to the Cowled Wizard's representative there and enquire about the mage in "red and green". When you exit the government building, you will be contronted by the leader of the group of mages (who helped Ployer curse Jah) and you will be prompted several choices: i) bribe them to stay out of the fight, ii) pay them to kill Ployer for you, and iii) just ignore him and do not propose anything. In any case, if you pay him the money ($1000 or $2000, depend which option you choose), you can kill him before he exit the map and take the money back. Doing this will NOT (at least from my experience) have any adverse effect. After you finish the necessary "contracting", head to the SLums and finish off Ployer.

Just go to that punk's house, face him like man, kick the crap out of him and all of his little drinking buddies and take his stuff. Simple.

Thanks i'll do that.