That's pretty easy Just create a SFX with WinRAR by compressing the Trillian folder in C:\Program Files\. Then, in the SFX comments, add the following lines : If you want to keep your profile settings, do the same with another SFX and the Trillian folder in C:\Documents and Settings\Your_Profile\. Then, in the SFX comments, add the following lines : You only need one entry in the registry :