1.1 --- a/Hardware/Ring0.cs	Sat May 14 13:26:09 2011 +0000
     1.2 +++ b/Hardware/Ring0.cs	Sun May 15 15:37:50 2011 +0000
     1.3 @@ -46,6 +46,7 @@
     1.4    internal static class Ring0 {
     1.5  
     1.6      private static KernelDriver driver;
     1.7 +    private static string fileName;
     1.8      private static Mutex isaBusMutex;
     1.9      private static readonly StringBuilder report = new StringBuilder();
    1.10  
    1.11 @@ -117,10 +118,9 @@
    1.12          // driver is not loaded, try to reinstall and open
    1.13  
    1.14          driver.Delete();
    1.15 -        string fileName = Path.GetTempFileName();
    1.16 +        fileName = Path.GetTempFileName();
    1.17          if (ExtractDriver(fileName)) {
    1.18            if (driver.Install(fileName)) {
    1.19 -            File.Delete(fileName);
    1.20              driver.Open();
    1.21  
    1.22              if (!driver.IsOpen) {
    1.23 @@ -135,10 +135,19 @@
    1.24              report.Append("Exception: " + Marshal.GetExceptionForHR(
    1.25                Marshal.GetHRForLastWin32Error()).Message);
    1.26            }
    1.27 +          
    1.28          } else {
    1.29            report.AppendLine(
    1.30              "Status: Extracting driver to \"" + fileName + "\" failed");
    1.31          }
    1.32 +
    1.33 +        try {
    1.34 +          // try to delte the driver file
    1.35 +          if (File.Exists(fileName))
    1.36 +            File.Delete(fileName);
    1.37 +          fileName = null;
    1.38 +        } catch (IOException) { } 
    1.39 +          catch (UnauthorizedAccessException) { }
    1.40        }
    1.41  
    1.42        if (!driver.IsOpen) 
    1.43 @@ -165,7 +174,16 @@
    1.44  
    1.45        driver = null;
    1.46  
    1.47 -      isaBusMutex.Close(); 
    1.48 +      isaBusMutex.Close();
    1.49 +
    1.50 +      // try to delete temporary driver file again if failed during open
    1.51 +      if (fileName != null && File.Exists(fileName)) {
    1.52 +        try {
    1.53 +          File.Delete(fileName);
    1.54 +          fileName = null;
    1.55 +        } catch (IOException) { } 
    1.56 +          catch (UnauthorizedAccessException) { }
    1.57 +      }
    1.58      }
    1.59  
    1.60      public static string GetReport() {