I got Viconia resurected at Temple ruins after me vs Bodhi II,but now I am unable to equip her with any weapons, I keep getting "Already equiped with magical weapon" message when ever I try to place a weapon in it's slot.I need to know if this is a bug or something else.( note I have Throne of Bhaal loaded and I have downloaded the available patches for both SOA and TOB).

What is it you are trying to equip? Some items don't mix.

As for example, you can only wear one of the following magical items at the same time:

Magical Armor, Ring of Protection, Cloak of Protection, Amulet of Protection.

*This Could Be A Game Glitch. When She Died, Did She Have A Magical Weapon Equiped Eg. Flame Blade?*

There is another possibility but it only counts if you are using shadowkeeper and have given her weopons in shadowkeepers inventory slots. In the game, Viconia is only allowed two weopons slots, but shadow keeper has at least 4 slots for every party member. If you have loaded all those slots in shadowkeeper and saved the game, then those items will not show in your inventory but will still claim her 2 game slots. I about blew a gasket with one of my protagonists until I sorted it all out. I had to go into shadowkeeper, empty the extra slots and save again before I could give my character any new weopons.

I was trying to equip her with the Flail of Ages in the normal weapons slot, but I got the "Equipped with magical weapon already" message.Then I tried to equip her with a staff,( no shield )and I got a message about not being able to equip a two handed weapon with a weapon in her off hand,there was no shield or weapon in her off hand! I tried stripping her of all equipement and arming her but got the same results.I was able to place the flail in her off hand slot,but still could not equip her with any weapon in the normal slots.Now when in combat she only uses her fist and complains "This weapon is useless!"I do not have ShadowKeeper(what is it and how do I get it,if it is any good that is)Please help,I have the romance thing with her going well and I don't want to get rid of her( besides she is better that Anomen).