I would wipe the winuae install and just install amikt. Which has the winuae as part of the install. You will just need to supply the amiga forever cd then, and it will setup everyhting correctly.
If you want then to install a newer version of winuae than is in the amikit install(think it is the lastest) then you can just copy thee new winuae exe over the place where amikt put the last one