>>Hi All,
>>
>>Here's my current problem. The setup of MyApp gives the user the opportunity to choose a folder for the DATA. I can set a default, but I have doubts. Should I initially offer the ...
>>
>>CommonAppData, like "c:\Documents and Settings\All Users\Application Data"
>> or
>>CommonDocs, like "c:\Documents and Settings\All Users\Documents"
>>
>>The terms CommonAppData and CommonDocs are from InnoSetup.
>>
>>My problem is that I'm not sure about their real definition according to MS. There must be a, perhaps subtle, difference. Can you Americans explain in simple words that are understood all over the world?
>
>
>The CommonAppData folder is usually used just for settings and configuration files.
>
>If the application database is meant for use by a single user on the machine and every user should have their own database then you should use the current users MyDocuments folder, but if the database should be shared among all users of a machine then it should go in the CommonDocs folder.
>
>And if it is meant to be used by multiple network users you should probably let them specify a network location as well and correspondingly decide in the installer logic to use an existing datbase at that location if one exists rather than copying new data files there.


As you suggest, I indeed encourage the user (in the Setup Wizard) to choose a network location and also tell them that existing data will not be overwritten. But I needed a default. :)