topic FileCleaner threw an exception. in QlikView https://community.qlik.com/t5/QlikView/FileCleaner-threw-an-exception/m-p/311221#M1307385 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I started getting this error in the event viewer. Can anybody give me a clue as to the problem?</P><P></P><P></P><BLOCKQUOTE><TABLE border="1"><TBODY><TR><TD><P>FileCleaner threw an exception. Exception=System.ArgumentOutOfRangeException: Length cannot be less than zero.</P><P>Parameter name: length</P><P>&nbsp;&nbsp; at System.String.InternalSubStringWithChecks(Int32 startIndex, Int32 length, Boolean fAlwaysCopy)</P><P>&nbsp;&nbsp; at QDSMain.AbstractTask.FileCleaner(ILogBucket i_LogBucket)</P></TD></TR></TBODY></TABLE></BLOCKQUOTE></BODY></HTML> Mon, 26 Jan 2026 18:19:17 GMT 2026-01-26T18:19:17Z FileCleaner threw an exception. https://community.qlik.com/t5/QlikView/FileCleaner-threw-an-exception/m-p/311221#M1307385 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I started getting this error in the event viewer. Can anybody give me a clue as to the problem?</P><P></P><P></P><BLOCKQUOTE><TABLE border="1"><TBODY><TR><TD><P>FileCleaner threw an exception. Exception=System.ArgumentOutOfRangeException: Length cannot be less than zero.</P><P>Parameter name: length</P><P>&nbsp;&nbsp; at System.String.InternalSubStringWithChecks(Int32 startIndex, Int32 length, Boolean fAlwaysCopy)</P><P>&nbsp;&nbsp; at QDSMain.AbstractTask.FileCleaner(ILogBucket i_LogBucket)</P></TD></TR></TBODY></TABLE></BLOCKQUOTE></BODY></HTML> Mon, 26 Jan 2026 18:19:17 GMT https://community.qlik.com/t5/QlikView/FileCleaner-threw-an-exception/m-p/311221#M1307385 2026-01-26T18:19:17Z FileCleaner threw an exception. https://community.qlik.com/t5/QlikView/FileCleaner-threw-an-exception/m-p/311222#M1307386 <HTML><HEAD></HEAD><BODY><P>I'm still getting this error a lot and no clue on where it's generated. </P><P></P><P>Any of the QT people around?</P></BODY></HTML> Fri, 21 Oct 2011 16:16:16 GMT https://community.qlik.com/t5/QlikView/FileCleaner-threw-an-exception/m-p/311222#M1307386 2011-10-21T16:16:16Z