I installed the copy of Kylix I got as a bonus when I purchased Delphi 7 or C++Builder 6. One of the Kylix IDEs runs fine, however, the other IDE tells me that my serial number and license key are invalid. What's wrong?
Actually, nothing is wrong in this case. The bundled copies of Kylix in Delphi 7 and BCB 6 are licensed so that you can only use the side of Kylix that corresponds to which product you purchased. You can only use the Delphi side of Kylix if you purchased Delphi, and only the C++ side if you purchased C++ Builder.
Article originally contributed by Lucas Bantner