Thats probably because you use it wrongly :
If you use that with KiXtart 4.x :
KeyExist()
returns 1 if true (similar to Exist())
ExistKey is still supported but in the old way ...
If it is 3.x :
ExistKey()
returns 0 if subkey was found !
So to bring this to the point :
It changed behavior to reflect it more logically ...
The value of a Key ?
Readvalue()
hth
Jochen
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