a lot of exception were output when I debug

when I debug my appliction with .netcf , the output panel display a lot of exception

as shown the following, But it still does work , just very slow. What's matter?

'MobileCard.exe' (Managed): Loaded 'C:\Program Files\Microsoft Visual Studio 8\SmartDevices\SDK\CompactFramework\2.0\v2.0\Debugger\BCL\mscorlib.dll', No symbols loaded.
'MobileCard.exe' (Managed): Loaded 'c:\documents and settings\pan\桌面\mobilecard\mobilecard\bin\release\MobileCard.exe', Symbols loaded.
'MobileCard.exe' (Managed): Loaded 'C:\Program Files\Microsoft Visual Studio 8\SmartDevices\SDK\CompactFramework\2.0\v2.0\Debugger\BCL\System.Windows.Forms.dll', No symbols loaded.
'MobileCard.exe' (Managed): Loaded 'C:\Program Files\Microsoft Visual Studio 8\SmartDevices\SDK\CompactFramework\2.0\v2.0\Debugger\BCL\System.dll', No symbols loaded.
'MobileCard.exe' (Managed): Loaded 'C:\Program Files\Microsoft Visual Studio 8\SmartDevices\SDK\CompactFramework\2.0\v2.0\Debugger\BCL\System.Drawing.dll', No symbols loaded.
'MobileCard.exe' (Managed): Loaded 'C:\Program Files\Microsoft Visual Studio 8\SmartDevices\SDK\CompactFramework\2.0\v2.0\Debugger\BCL\System.Data.dll', No symbols loaded.
'MobileCard.exe' (Managed): Loaded 'C:\Program Files\Microsoft Visual Studio 8\SmartDevices\SDK\CompactFramework\2.0\v2.0\Debugger\BCL\System.Xml.dll', No symbols loaded.
'MobileCard.exe' (Managed): Loaded 'c:\documents and settings\pan\桌面\mobilecard\mobilecard\bin\release\OpenNETCF.Windows.Forms.dll', No symbols loaded.
'MobileCard.exe' (Managed): Loaded 'c:\documents and settings\pan\桌面\mobilecard\mobilecard\bin\release\OpenNETCF.Drawing.dll', No symbols loaded.
'MobileCard.exe' (Managed): Loaded 'C:\Program Files\Microsoft Visual Studio 8\SmartDevices\SDK\CompactFramework\2.0\v2.0\Debugger\BCL\Microsoft.WindowsCE.Forms.dll', No symbols loaded.
'MobileCard.exe' (Managed): Loaded 'c:\program files\microsoft visual studio 8\smartdevices\sdk\sql server\mobile\v3.0\System.Data.SqlServerCe.dll', No symbols loaded.
A first chance exception of type 'System.IO.FileNotFoundException' occurred in mscorlib.dll
A first chance exception of type 'System.IO.FileNotFoundException' occurred in mscorlib.dll
A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll
A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll
'MobileCard.exe' (Managed): Loaded 'System.SR.dll', No symbols loaded.
A first chance exception of type 'System.IO.FileNotFoundException' occurred in mscorlib.dll
'MobileCard.exe' (Managed): Loaded 'System.SR.resources.dll', No symbols loaded.
A first chance exception of type 'System.IO.FileNotFoundException' occurred in mscorlib.dll
A first chance exception of type 'System.IO.FileNotFoundException' occurred in mscorlib.dll
A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll
A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll
A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll
A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll
A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll
A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll
A first chance exception of type 'System.UnauthorizedAccessException' occurred

Thank you.

See this: http://blogs.msdn.com/davidklinems/archive/2005/07/12/438061.aspx

Darren