taint from moving unit frames

[Drool]

hey mates,

im using a simple script to move the default unit frames

PlayerFrame:ClearAllPoints()
PlayerFrame:SetPoint("CENTER", UIParent, -294, -150)
    PlayerFrame.SetPoint = function()
end
 
TargetFrame:ClearAllPoints()
TargetFrame:SetPoint("CENTER", UIParent, 294, -150)
    TargetFrame.SetPoint = function() 
end
 
FocusFrame:ClearAllPoints()
FocusFrame:SetPoint("CENTER", UIParent, 294, 400)
    FocusFrame.SetPoint = function() 
end

however i always get the message: interface-action failed because of an addon
and because of said error my target of target frames is hiding
taint.log:

7/24 19:15:04.630  An action was blocked in combat because of taint from mUI - TargetFrameToT:Show()
7/24 19:15:04.630      Interface\FrameXML\TargetFrame.lua:924 TargetofTarget_Update()
7/24 19:15:04.630      Interface\FrameXML\TargetFrame.lua:415 TargetFrame_OnUpdate()
7/24 19:15:04.630      TargetFrame:OnUpdate()

how do i fix this? is there a better way to move the unitframes in a fixed position than moving it by hand on every character? :/

regards,
Drool