The default folder for all reports generated from the CSE Clients is %GEN85%client.
Under the supported Windows operating system platforms this is a protected folder requiring UAC and therefore not a good choice.
Each CSE Client uses the current directory i.e. the directory that its executable is started from, as the default folder for generated reports.
On the Program Properties dialog for the CSE Client if the "Start in" directory field (default "%GEN85%\client") is changed to the desired location then that will be used as the new the default folder for generated reports.