k, i want you to check that you do not have SINGLE installations of PHP, MySQL, or Apache Installed. If you do and they have written to the registry it will cause problems because all this programs check the registry for info before startup. Though the Uniform Server does not use registry, if they find a registry info they will go along with it. Check to make sure there is no my.cnf or my.ini or anything relating in C:/ and also C:/Windows also. What type of other installations of them did you say you had here: