I noticed that I after I have install trial version of 2008 I haven't be able to launch the WSAT succesfully in 2005 edition... It works fine in 2008.... but I can't used it in the previous version...
In visual stuio2005 there is no concept of Web Admin Tool. In 2005 all the tasks are implemented manually related to Web Admin. There are Service packs for Dotnet versions. Try to install and check it out in 2005 edition.
I don't agreed althought probably you don't uderstand.... Every one else in the division can launch the tool. I used too. but since I install the 2008 trail edition and run in to an error that says