diff --git a/SteamItemDropIdler/Open Steamworks/Open Steamworks/EResult.h b/SteamItemDropIdler/Open Steamworks/Open Steamworks/EResult.h
index 7caf0ac..309db1a 100644
--- a/SteamItemDropIdler/Open Steamworks/Open Steamworks/EResult.h	
+++ b/SteamItemDropIdler/Open Steamworks/Open Steamworks/EResult.h	
@@ -24,7 +24,7 @@
 // General result codes
 typedef enum EResult
 {
-	k_EResultOK	= 1,										// success
+	k_EResultOK = 1,										// success
 	k_EResultFail = 2,										// generic failure 
 	k_EResultNoConnection = 3,								// no/failed network connection
 	//	k_EResultNoConnectionRetry = 4,						// OBSOLETE - removed
@@ -108,6 +108,17 @@ typedef enum EResult
 	k_EResultRestrictedDevice = 82,							//
 	k_EResultRegionLocked = 83,								//
 	k_EResultRateLimitExceeded = 84,						//
+	k_EResultAccountLogonDeniedNeedTwoFactorCode = 85,
+	k_EResultItemOrEntryHasBeenDeleted = 86,
+	k_EResultTooManyLogonAttempts = 87,
+	k_EResultTwoFactorCodeMismatch = 88,
+	k_EResultTwoFactorActivationCodeMismatch = 89,
+	k_EResultAccountAssociatedWithMultiplePlayers = 90,
+	k_EResultNotModified = 91,
+	k_EResultNoMobileDeviceAvailable = 92,
+	k_EResultTimeIsOutOfSync = 93,
+	k_EResultSMSCodeFailed = 94,
+	k_EResultTooManyAccountsAccessThisResource = 95,
 } EResult;
 
 #endif // ERESULT_H
diff --git a/SteamItemDropIdler/README.txt b/SteamItemDropIdler/README.txt
index 6b38ab5..daf20d8 100644
--- a/SteamItemDropIdler/README.txt
+++ b/SteamItemDropIdler/README.txt
@@ -1,10 +1,11 @@
-SteamItemDropIdler v2.0
+SteamItemDropIdler v2.01
 
 All this info available on: https://github.com/kokole/SteamItemDropIdler/wiki
 
 * Features
 	- Works without Steam
 	- Steam Guard support
+	- Steam Mobile Authenticator support
 	- Multiple instance support
 	- Auto add free game license (for games that you idle only)
 	- Auto reconnect if connection to Steam servers is lost
@@ -16,7 +17,7 @@ All this info available on: https://github.com/kokole/SteamItemDropIdler/wiki
 	- Games that use the Inventory Service Steam API (Killing Floor 2, Rust, Unturned...)
 
 * How to use
-	1. Download and extract the release to some folder from here if you have not already: https://github.com/kokole/SteamItemDropIdler/releases/download/v2.0/SteamItemDropIdler.zip
+	1. Download and extract the release to some folder from here if you have not already: https://github.com/kokole/SteamItemDropIdler/releases/download/v2.01/SteamItemDropIdler.zip
 	2. Make sure Steam is not running. SteamItemDropIdler may not work properly without this step
 	3. If you have Steam installed, rename your Steam folder to something else. For example, if your Steam installation is in "C:\Program Files (x86)\Steam", rename it to "C:\Program Files (x86)\Steam123". SteamItemDropIdler may not work properly without this step
 	4. Run SteamItemDropIdler
diff --git a/SteamItemDropIdler/SteamItemDropIdler.cpp b/SteamItemDropIdler/SteamItemDropIdler.cpp
index b4601c3..eea2aad 100644
--- a/SteamItemDropIdler/SteamItemDropIdler.cpp
+++ b/SteamItemDropIdler/SteamItemDropIdler.cpp
@@ -136,7 +136,7 @@ int main( int argc, char* argv[] )
 			case SteamServersConnected_t::k_iCallback:
 				clientFriends->SetPersonaState( k_EPersonaStateOnline );
 
-				if ( (*(bool( __thiscall** )(IClientUser*, AppId_t))(*(DWORD*)clientUser + 688))(clientUser, appID) ) { // BIsSubscribedApp
+				if ( (*(bool( __thiscall** )(IClientUser*, AppId_t))(*(DWORD*)clientUser + 692))(clientUser, appID) ) { // BIsSubscribedApp
 					clientUtils->SetAppIDForCurrentPipe( appID, true );
 					bPlayingGame = true;
 				}
@@ -183,7 +183,20 @@ int main( int argc, char* argv[] )
 					getchar();
 
 					// this is Set2ndFactorAuthCode, however I have to do this because IClientUser.h is outdated
-					(*(void( __thiscall** )(IClientUser*, const char*, bool))(*(DWORD*)clientUser + 672))(clientUser, steamGuardCode, false);
+					(*(void( __thiscall** )(IClientUser*, const char*, bool))(*(DWORD*)clientUser + 676))(clientUser, steamGuardCode, false);
+					clientUser->LogOnWithPassword( false, steamAccountName, steamAccountPassword );
+					break;
+				}
+				case k_EResultTwoFactorCodeMismatch:
+					printf( "Invalid Steam Mobile Authenticator code\n" );
+				case k_EResultAccountLogonDeniedNeedTwoFactorCode:
+				{
+					char steamMobileAuthenticatorCode[33];
+					printf( "Enter the Steam Mobile Authenticator code: " );
+					scanf( "%32s", steamMobileAuthenticatorCode );
+					getchar();
+
+					(*(void( __thiscall** )(IClientUser*, const char*))(*(DWORD*)clientUser + 196))(clientUser, steamMobileAuthenticatorCode); // SetTwoFactorCode
 					clientUser->LogOnWithPassword( false, steamAccountName, steamAccountPassword );
 					break;
 				}