diff --git a/main.cpp b/main.cpp
index 7e6a6ac..f7aa8d0 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,6 +1,4 @@
 #include "programManager.h"
-#include "parameterManager.h"
-
 
 int main(int argc, char *argv[])
 {
diff --git a/parameterManager.cpp b/parameterManager.cpp
index 64e23ea..9ff65dc 100644
--- a/parameterManager.cpp
+++ b/parameterManager.cpp
@@ -201,8 +201,11 @@ int loadDefaulOptions(Settings &settings)
         } else if (what == "default-maxThreads") {
             settings.maxThreads = static_cast<unsigned>(atoi(data.c_str()));
             if(std::to_string(settings.maxThreads) != data ) {
-                std::cout << " => Error_Defaults: Ungültige Zahl: " << data << std::endl;
+                std::cout << " => Error_Defaults: Thread-Max Ungültige Zahl: " << data << std::endl;
                 return 18;
+            } else if (settings.maxThreads > 10) {
+                std::cout << " => Error_Defaults: Thread-Max: Zahl größer 10: " << data << std::endl;
+                return 19;
             }
             if(settings.debugMode)
                 std::cout << "  > Defaults: MaxThreads: " << settings.maxThreads << std::endl;
@@ -320,10 +323,10 @@ int unterOption_default(Settings *settings, int argc, char ** argv)
                 std::string portStr = optarg.substr(optarg.find(":") + 1, optarg.length() - optarg.find(":"));
                 int port = atoi(portStr.c_str());
                 if(std::to_string(port) != portStr || port <= 0) {
-                    std::cout << "[-p]: Invalid Port: " << portStr << std::endl;
+                    std::cout << " => Error: [-p]: Invalid Port: " << portStr << std::endl;
                     return 32;
                 } else if (ip == "") {
-                    std::cout << "[-p]: Invalid Ip Addresse: " << ip << std::endl;
+                    std::cout << " => Error: [-p]: Invalid Ip Addresse: " << ip << std::endl;
                     return 34;
                 } else if(settings->debugMode) {
                     std::cout << "Proxy Addresse: "<< ip << ":" << port << std::endl;
@@ -409,7 +412,7 @@ int unterOption_default(Settings *settings, int argc, char ** argv)
                     break;
                 settings->default_maxDirs = atoi(optarg);
                 if(std::to_string(settings->default_maxDirs) != std::string(optarg) ) {
-                    std::cout << "[-D]: Invalid Count: " << optarg << std::endl;
+                    std::cout << " => Error: [-D]: Invalid Count: " << optarg << std::endl;
                     return 18;
                 }
                 if(settings->debugMode)
@@ -421,8 +424,11 @@ int unterOption_default(Settings *settings, int argc, char ** argv)
                     break;
                 settings->maxThreads = static_cast<unsigned>(atoi(optarg));
                 if(std::to_string(settings->maxThreads) != std::string(optarg) ) {
-                    std::cout << "[-t]: Ungültige Zahl: " << optarg << std::endl;
+                    std::cout << " => Error: [-t]: Thread-Max: Ungültige Zahl: " << optarg << std::endl;
                     return 18;
+                } else if (settings->maxThreads > 10 && !settings->debugMode) {
+                    std::cout << " => Error: [-t]: Thread-Max: Zahl ist größer 10: " << optarg << std::endl;
+                    return 19;
                 }
                 if(settings->debugMode)
                     std::cout << "MaxThreads: " << settings->maxThreads << std::endl;
@@ -576,7 +582,7 @@ void unterOption_default_help()
               << "          Thread, bis die angegebene Anzahl an Threads erreicht" << std::endl
               << "          wurde. Dannm wartet es auf das Enden der Threads und" << std::endl
               << "          beginnt von vorne. Verwende 0 um das Multihreading zu" << std::endl
-              << "          deaktivieren." << std::endl
+              << "          deaktivieren. Maximal 10 Threads." << std::endl
               << "          Standart: 0" << std::endl << std::endl
               << "HELPMENUE:" << std::endl
               << "    -h, --help" << std::endl
@@ -615,10 +621,10 @@ int unterOption_url(Settings *settings, int argc, char **argv)
                 std::string portStr = optarg.substr(optarg.find(":") + 1, optarg.length() - optarg.find(":"));
                 int port = atoi(portStr.c_str());
                 if(std::to_string(port) != portStr || port <= 0) {
-                    std::cout << "[-p]: Invalid Port: " << portStr << std::endl;
+                    std::cout << " => Error: [-p]: Invalid Port: " << portStr << std::endl;
                     return 32;
                 } else if (ip == "") {
-                    std::cout << "[-p]: Invalid Ip Addresse: " << ip << std::endl;
+                    std::cout << " => Error: [-p]: Invalid Ip Addresse: " << ip << std::endl;
                     return 34;
                 } else if(settings->debugMode) {
                     std::cout << "Proxy Addresse: "<< ip << ":" << port << std::endl;
@@ -732,10 +738,10 @@ int unterOption_search(Settings *settings, int argc, char **argv)
                 std::string portStr = optarg.substr(optarg.find(":") + 1, optarg.length() - optarg.find(":"));
                 int port = atoi(portStr.c_str());
                 if(std::to_string(port) != portStr || port <= 0) {
-                    std::cout << "[-p]: Invalid Port: " << portStr << std::endl;
+                    std::cout << " => Error: [-p]: Invalid Port: " << portStr << std::endl;
                     return 32;
                 } else if (ip == "") {
-                    std::cout << "[-p]: Invalid Ip Addresse: " << ip << std::endl;
+                    std::cout << " => Error: [-p]: Invalid Ip Addresse: " << ip << std::endl;
                     return 34;
                 } else if(settings->debugMode) {
                     std::cout << "Proxy Addresse: "<< ip << ":" << port << std::endl;
@@ -856,10 +862,10 @@ int unterOption_info(Settings *settings, int argc, char **argv)
                 std::string portStr = optarg.substr(optarg.find(":") + 1, optarg.length() - optarg.find(":"));
                 int port = atoi(portStr.c_str());
                 if(std::to_string(port) != portStr || port <= 0) {
-                    std::cout << "[-p]: Invalid Port: " << portStr << std::endl;
+                    std::cout << " => Error: [-p]: Invalid Port: " << portStr << std::endl;
                     return 32;
                 } else if (ip == "") {
-                    std::cout << "[-p]: Invalid Ip Addresse: " << ip << std::endl;
+                    std::cout << " => Error: [-p]: Invalid Ip Addresse: " << ip << std::endl;
                     return 34;
                 } else if(settings->debugMode) {
                     std::cout << "Proxy Addresse: "<< ip << ":" << port << std::endl;
diff --git a/parameterManager.h b/parameterManager.h
index fc11a0d..3c0672d 100644
--- a/parameterManager.h
+++ b/parameterManager.h
@@ -38,7 +38,7 @@ struct Settings {
         proxy_ip = "127.0.0.1",
         languages = "GerDub,GerSub,Eng",
         genaueHoster = "",
-        version = "2.5.0",
+        version = "2.5.1",
         defaultFileVersion="1.3",
         outputFilePath = "",
         default_checkPath = "",