string was not recognized as a valid TimeSpan

[vhoog20]

System.FormatException: String was not recognized as a valid TimeSpan.
at System.Globalization.TimeSpanParse.TimeSpanResult.SetFailure(ParseFailureKind failure, String failureMessageID, Object failureMessageFormatArgument, String failureArgumentName)
at System.Globalization.TimeSpanParse.StringParser.ParseInt(Int32 max, Int32& i, TimeSpanResult& result)
at System.Globalization.TimeSpanParse.StringParser.TryParse(String input, TimeSpanResult& result)
at System.Globalization.TimeSpanParse.TryParseExactTimeSpan(String input, String format, IFormatProvider formatProvider, TimeSpanStyles styles, TimeSpanResult& result)
at System.Globalization.TimeSpanParse.ParseExact(String input, String format, IFormatProvider formatProvider, TimeSpanStyles styles)
at GemistDownloader.FFMPEGDownloader.writeStreamInfo(Object sender, DataReceivedEventArgs e)


************** Loaded Assemblies **************
mscorlib
Assembly Version: 4.0.0.0
Win32 Version: 4.0.30319.34014 built by: FX45W81RTMGDR
CodeBase: file:///C:/Windows/Microsoft.NET/Framework/v4.0.30319/mscorlib.dll
----------------------------------------
GemistDownloader
Assembly Version: 2.8.1.10
Win32 Version: 2.8.1.10
CodeBase: file:///C:/Program%20Files%20(x86)/GemistDownloader/GemistDownloader.exe
----------------------------------------
System
Assembly Version: 4.0.0.0
Win32 Version: 4.0.30319.34003 built by: FX45W81RTMGDR
CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System/v4.0_4.0.0.0__b77a5c561934e089/System.dll
----------------------------------------
System.Windows.Forms
Assembly Version: 4.0.0.0
Win32 Version: 4.0.30319.33440 built by: FX45W81RTMREL
CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Windows.Forms/v4.0_4.0.0.0__b77a5c561934e089/System.Windows.Forms.dll
----------------------------------------
System.Drawing
Assembly Version: 4.0.0.0
Win32 Version: 4.0.30319.33440 built by: FX45W81RTMREL
CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Drawing/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll
----------------------------------------
Microsoft.mshtml
Assembly Version: 7.0.3300.0
Win32 Version: 7.0.3300.0
CodeBase: file:///C:/Windows/assembly/GAC/Microsoft.mshtml/7.0.3300.0__b03f5f7f11d50a3a/Microsoft.mshtml.dll
----------------------------------------
System.Configuration
Assembly Version: 4.0.0.0
Win32 Version: 4.0.30319.33440 built by: FX45W81RTMREL
CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Configuration/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Configuration.dll
----------------------------------------
System.Xml
Assembly Version: 4.0.0.0
Win32 Version: 4.0.30319.33440 built by: FX45W81RTMREL
CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Xml/v4.0_4.0.0.0__b77a5c561934e089/System.Xml.dll
----------------------------------------
System.Core
Assembly Version: 4.0.0.0
Win32 Version: 4.0.30319.33440 built by: FX45W81RTMREL
CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Core/v4.0_4.0.0.0__b77a5c561934e089/System.Core.dll
----------------------------------------
Win8API
Assembly Version: 1.0.0.0
Win32 Version: 1.0.0.0
CodeBase: file:///C:/Users/Vincent_2/AppData/Roaming/GemistDownloader/Win8API.dll
----------------------------------------
System.ComponentModel.DataAnnotations
Assembly Version: 4.0.0.0
Win32 Version: 4.0.30319.33440
CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.ComponentModel.DataAnnotations/v4.0_4.0.0.0__31bf3856ad364e35/System.ComponentModel.DataAnnotations.dll
----------------------------------------
System.Runtime.Serialization
Assembly Version: 4.0.0.0
Win32 Version: 4.0.30319.33440 built by: FX45W81RTMREL
CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Runtime.Serialization/v4.0_4.0.0.0__b77a5c561934e089/System.Runtime.Serialization.dll
----------------------------------------
System.Xml.Linq
Assembly Version: 4.0.0.0
Win32 Version: 4.0.30319.33440 built by: FX45W81RTMREL
CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Xml.Linq/v4.0_4.0.0.0__b77a5c561934e089/System.Xml.Linq.dll
----------------------------------------
System.Data
Assembly Version: 4.0.0.0
Win32 Version: 4.0.30319.33440 built by: FX45W81RTMREL
CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_32/System.Data/v4.0_4.0.0.0__b77a5c561934e089/System.Data.dll
----------------------------------------
Microsoft.CSharp
Assembly Version: 4.0.0.0
Win32 Version: 4.0.30319.33440
CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/Microsoft.CSharp/v4.0_4.0.0.0__b03f5f7f11d50a3a/Microsoft.CSharp.dll
----------------------------------------