StoreInvalidKey(String problem, String regPath, String valueName) Unable to translate Unicode character to specified code page

[Nick]

Current Date/Time: 6/14/2010 3:45:06 PM
Exec. Date/Time: 6/14/2010 3:44:24 PM

Build Date: 03/30/2010

OS: Microsoft Windows NT 6.1.7600.0
Language: en-US
System Uptime: 0 Days 3 Hours 39 Mins 57 Secs
Program Uptime: 00:00:21.7933397
PID: 2916
Executable: C:\Program Files (x86)\Little Registry Cleaner\Little Registry Cleaner.exe

Process Name: System.Diagnostics.Process (Little Registry Cleaner)
Main Module Name: Little Registry Cleaner.exe

Module Count: 49
Thread Count: 11

Thread ID: 5
Is Admin: True
Is Debugged: False
Version: 1.4.1

CLR Version: 2.0.50727.4927

Type #0 System.Text.EncoderFallbackException
CharUnknown #0: ?
CharUnknownHigh #0:
CharUnknownLow #0:
Index #0: 83
Message #0: Unable to translate Unicode character \uD9A8 at index 83 to specified code page.
TargetSite #0: Boolean Fallback(Char, Int32)
Source #0: mscorlib

StackTrace:
  at System.Text.EncoderExceptionFallbackBuffer.Fallback(Char charUnknown, Int32 index)
  at System.Text.EncoderFallbackBuffer.InternalFallback(Char ch, Char*& chars)
  at System.Text.UTF8Encoding.GetBytes(Char* chars, Int32 charCount, Byte* bytes, Int32 byteCount, EncoderNLS baseEncoder)
  at System.Text.EncoderNLS.GetBytes(Char* chars, Int32 charCount, Byte* bytes, Int32 byteCount, Boolean flush)
  at System.Text.EncoderNLS.GetBytes(Char[] chars, Int32 charIndex, Int32 charCount, Byte[] bytes, Int32 byteIndex, Boolean flush)
  at System.IO.StreamWriter.Flush(Boolean flushStream, Boolean flushEncoder)
  at System.IO.TextWriter.WriteLine(String value)
  at Little_Registry_Cleaner.ScanDlg.StoreInvalidKey(String problem, String regPath, String valueName)
  at Little_Registry_Cleaner.Scanners.ActivexComObjects.ScanClasses(RegistryKey regKey)
  at Little_Registry_Cleaner.Scanners.ActivexComObjects.Scan()
  at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
  at System.Threading.ThreadHelper.ThreadStart()