diff --git a/native_app/NativeApp/NativeApp/native.c b/native_app/NativeApp/NativeApp/native.c
index 99fbd91c6a1bca8b99293ccc15f5dd84c74be78d..10410ac91ff95a21b38f4c8a5939e13a24f528ff 100644
--- a/native_app/NativeApp/NativeApp/native.c
+++ b/native_app/NativeApp/NativeApp/native.c
@@ -17,7 +17,7 @@
 
 #define IOCTL_AFD_BIND 0x012003
 #define IOCTL_AFD_SEND  0x012023
-#define NSPORT 0x901f	 // 8888
+#define NSPORT 0x901f	 // 8080
 #define NSADDR 0x100007f // 127.0.0.1
 #define EASIZE 0x39
 
diff --git a/native_app/SignedNativeAppNvidia.exe b/native_app/SignedNativeAppNvidia.exe
index 11695dda16edb90d1131ccd127c12967fa48a55d..2847fe7e7e42ce83e39edeb30e3ee8ffb69f21dc 100644
Binary files a/native_app/SignedNativeAppNvidia.exe and b/native_app/SignedNativeAppNvidia.exe differ
diff --git a/native_app/self_sign.ps1 b/native_app/self_sign.ps1
new file mode 100644
index 0000000000000000000000000000000000000000..71f477226822e561d88fdd2feedf2da2fb84a897
--- /dev/null
+++ b/native_app/self_sign.ps1
@@ -0,0 +1,5 @@
+New-SelfSignedCertificate -DnsName toto@tutu.com -Type CodeSigning -CertStoreLocation cert:\CurrentUser\My
+Export-Certificate -Cert (Get-ChildItem Cert:\CurrentUser\My -CodeSigningCert)[0] -FilePath code_signing.crt
+Import-Certificate -FilePath .\code_signing.crt -Cert Cert:\CurrentUser\TrustedPublisher
+Import-Certificate -FilePath .\code_signing.crt -Cert Cert:\CurrentUser\Root
+Set-AuthenticodeSignature .\NativeApp.exe -Certificate (Get-ChildItem Cert:\CurrentUser\My -CodeSigningCert)
\ No newline at end of file
diff --git a/native_app/sign_bin.bat b/native_app/sign_bin.bat
index 9360e160fe485f7aaad780989e480238c1677397..520b7b25b2a58e89c3412f805bd3d956f5ab87c2 100644
--- a/native_app/sign_bin.bat
+++ b/native_app/sign_bin.bat
@@ -17,7 +17,7 @@ if %errorLevel% NEQ 0 (
 
 date 1-03-17
 ::/t "http://timestamp.digicert.com"
-%SIGNTOOL% sign /v /ac %CERT% /f %PKEY% /fd SHA1 /td SHA256 /nph /p %PWD%  %BINARY_PATH%
+%SIGNTOOL% sign /v /ac %CERT% /f %PKEY% /fd SHA1 /nph /p %PWD% /t "http://timestamp.digicert.com" %BINARY_PATH%
 
 net stop w32time
 net start w32time