I had a Error 39 with some software I was using on my computer (not FutureBASIC
compiled)
I called up Apple and they said that I needed to delete my whole entire
preferences folder and restart the
computer and it worked.

George Beckman wrote:

> Gang,
>
>     I am having a problem, that finally has me fairly frustrated.  I have a
> program that uses a data file of a static size.  The file is 181790 bytes
> long.  I use my beta daily in my work and have never had a save problem.
> However, testers occasionaly...and I mean very rarely, have a short file,
> that is to say the file is less than 181790 causing the -39 error.  (-39 is
> an eofile error that indicates the end came sooner than expected.)
>
>     To combat this, I have been saving the file, closing the file, flushing
> the volumn, reopening the file, checking the length and putting up a dialog
> if the save was not 181790.  No one gets the dialog, but the error pops up
> in a read.
>
>     THe actual file save and read is a series of Write File # and Read FIle
> # statements.  This only happens on Appletalk and Floppies.  LocalTalk is
> the worst.  In fact, that is what led me to believe that the disk write was
> not actually being completed and the file was half done and that a flush
> would force an actual disk write.  The short files are not of any consistant
> length.  This is a PG project.
>
>     Here is how I flush:
>
>     CLEAR LOCAL
>     DIM pBlock.128
>
> <big snip>
>
>     pBlock.ioVRefNum% = gSaveVol
>     osErr%=FN FLUSHVOL(@pBlock)
>     LONG IF osErr%<>0
>       CALL PARAMTEXT("I am having a problem saving your file.","","","")
>       FN pGshowErr(0)
>     END IF
>
>     The follow check works, because during development, I changed the file
> size and forgot to change this puppy and it came up, but, somehow it can
> write a short file and not see it.
>
>     OPEN "I",#1,gSaveName$,,gSaveVol
>     lgth&=LOF(1,1)
>     CLOSE #1
>
>     LONG IF lgth&<>181790
>       FN pGcntrRes(_"ALRT",602)
>       CURSOR=1000
>       x=FN ALERT (602,0)
>       gDirty=_True
>     END IF
>
> <snip>
>
>     I am nearing the end of my Beta and have not had this happen for weeks
> (with close to 40 testers) and today it is back and more than once.  I would
> really like this to go away.
>
>     Thanks in advance,
>
>     George
>
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