VB6 Application fails 8.3 path conversion on a single PC

I have a VB6 desktop application that is deployed on well over 1200 desktops. The devices throughout are a mix of Windows XP SP2 and SP3 systems. All but one of these PCs (XP SP2) is able to successfully decipher the DOS 8.3 path (ie C:\PROGRA~1\DATFOL~1开发者_运维技巧\Config\) that is used in an .ini file related to this application. This particular PC errors out with a message: "Run-time error '76': Path not found".

The string is obtained from the .ini file using the GetPrivateProfileString function. (The string is not hard-coded into the application - it is obtained from an ini file).

Since there is only one machine having the problem, I'm looking towards some configuration value on that device as being the root cause. I looked at the NtfsDisable8dot3NameCreation setting in the registry to see if this might cause the issue, but I have been unable to reproduce the problem on any other machine when changing this setting.

Anybody have any thoughts or perhaps another direction I could take?

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Don't use hard-coded paths or short filenames. The Program Files folder might not be on the C: drive, might not be named Program Files, and even if it is, might not have a short filename of PROGRA~1 (and the same for DATAFOL~1). Write the install path to an INI file or the registry during installation and read+use that in your program.

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If someone was gimping around and made a temp/backup/testing \DataFolder_Temp, deleted the original then renamed, the short path would be DATAFOL~2. Delete the directory and recreate it.

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check the PC. The PROGRA~1 or DATFOL~1 might actually be ~2 instead. Put the 8.3 name used in your code into explorer and see what IT tells you.