| Name | Description | |
|---|---|---|
 | DestinationFile | The path and filename of the file to overwrite. Used only by the DialogMessages.Overwrite dialog. |
| DestinationFolder | The unzipping folder or the user-selected folder where files were unzipped to. |
| DiskNumber | The number of the requested disk. Used only by the DialogMessages.InsertDisk dialog. |
| ErrorDescription | |
| ErrorNumber | The error code that caused the failure. Used only by the DialogMessages.Error dialog. |
| ProgramFilesFolder | The location of the Program Files folder. |
| RandomFolder | Random folder name that doesn't already exist. (the format of the random name is: _SFXxxx, where xxx is a random number) |
| SfxFolder | The folder where the self-extracting zip file is being run from. |
| SystemDrive | The main system hard disk. |
| SystemFolder | The location of the Windows System folder. |
| TempFolder | The location of the system's temporary folder. |
| WindowsFolder | The location of the Windows folder. |