You don't have to change the current folder at all

lcFolder = ADDBS("c:\tmpfox\")
FOR i=1 TO ADIR(laFiles, lcFolder + "*.*")
	ERASE (lcFolder + laFiles(i,1))
ENDFOR

>
>I get The data path in the project start.
>oApp.startdir=network\data\..
>set defa to (oApp.startdir)..
>
>Now I want to delete entire files of temp directory (only files, not directory) on local computer.
>
>I use with the following code:
>

local nloop,cfilename,cOutput
>Local array aFiles(1)
>cOutput='c:\tmpfox\'
>set default to (cOutput)
>nFiles=adir(aFiles)
>If nFiles>0
>	for nLoop=1 to nFiles
>		cFilename=cOutput+aFiles[nLoop,1]
>		delete file (cFilename)
>	endfor
>Endif
>set default to (oApp.startdir)
>return .t.

>I afraid about any unexpected problem that will cause the 'set defa to local' to fail and the user will delete thr real data.
>Thank's