Until now (Win2000) I always used the English version of LabVIEW together with a German Version of MS-Windows. But when I tried to install LabVIEW 6.0 (English) with WindowsXP (German), I only got the error message: Error 1322. A portion of the folder path " exeeds the length allowed by the system.
The installation of the German version of LabVIEW is no problem.
Ni does not officially support Labview 6.0 on XP. NI cannot guarantee it will work since it was not designed and tested for XP, especially with language cross-overs. You can find a list of products compatible with Windows XP at: http://digital.ni.com/express.nsf/bycode/winxp
However I would still try to follow the instructions recommended by the first link in similar items .