>Below is some code we have used without problem for years through Win7. It creates a PDF using eReports, saves it to a temporary file and, if successful (if lnResult=0), creates the Outlook email.
>
>Suddenly, on Win10 boxes, it is returning lnResult="-121"
>
>I can't figure out what the error means - any ideas? Thanks!
>
>****UPDATE - the perplexing part is that the PDF is actually created and in the temp folder, yet the value of lnResult is not zero****
>
>

>
>CASE nBarNum=7 &&Email
>	l_coldpath=SYS(5)+SYS(2003)
>	SET PATH TO c:\qdms2004
>	LOCAL lnResult, oPDF
>	p_recnum=STR(RECNO("cofc"))
>	l_attachment='c:\windows\temp\qdms\cert.pdf'
>	l_stdtext="Attached is Certificate of Compliance No. ";
>		+THISFORM.Qdmsbasepgf1.Page1.txtCertnum.VALUE +" for ";
>		+ALLTRIM(THISFORM.Qdmsbasepgf1.Page1.txtMatl.VALUE);
>		+" as you requested."+CHR(13)+" "+CHR(13);
>		+"If you have any further questions, please contact XXXXXXX"
>
>	oPDF = NEWOBJECT ("eReportsPDF", "eReports.dll", "eReports.dll")
>	oPDF.UNLOCK("xxxxxxx xxxxxx - XXXXXXX XXXXXX XXXXX XXXXX")
>	oPDF.EmbedFonts = 0
>	oPDF.JPGQUality=5
>	oPDF.ReportFile = "qcf75.frx"
>	oPDF.OutPutFile = "C:\Windows\Temp\qdms\Cert.Pdf"
>	oPDF.ReportExpr = "RECORD "+p_recnum
>	lnResult = oPDF.ReportConvert()
>	SET PATH TO TO l_coldpath
>
>	*If the PDF was created, prepare the email in Notes
>	IF lnResult=0
>
>

See if erasing one "TO" helps:
SET PATH TO TO l_coldpath