diff --git a/dlls/devenum/devenum.spec b/dlls/devenum/devenum.spec
index c5fc87af6d5..e0786db71e6 100644
--- a/dlls/devenum/devenum.spec
+++ b/dlls/devenum/devenum.spec
@@ -1,4 +1,4 @@
 @ stub DllCanUnloadNow
 @ stub DllGetClassObject
-@ stub DllRegisterServer
+@ stdcall DllRegisterServer() DEVENUM_DllRegisterServer
 @ stub DllUnregisterServer
diff --git a/dlls/devenum/devenum_main.c b/dlls/devenum/devenum_main.c
index 67a01ed518c..d5dfdfe293a 100644
--- a/dlls/devenum/devenum_main.c
+++ b/dlls/devenum/devenum_main.c
@@ -1 +1,12 @@
-/* nothing here yet */
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(devenum);
+
+/***********************************************************************
+ *      DllRegisterServer (DEVENUM.@)
+ */
+HRESULT WINAPI DEVENUM_DllRegisterServer()
+{
+	FIXME("(): stub\n");
+	return 0;
+}
diff --git a/dlls/qcap/qcap.spec b/dlls/qcap/qcap.spec
index c5fc87af6d5..0c3ac248884 100644
--- a/dlls/qcap/qcap.spec
+++ b/dlls/qcap/qcap.spec
@@ -1,4 +1,4 @@
 @ stub DllCanUnloadNow
-@ stub DllGetClassObject
-@ stub DllRegisterServer
+@ stdcall DllGetClassObject(ptr ptr ptr) QCAP_DllGetClassObject
+@ stdcall DllRegisterServer() QCAP_DllRegisterServer
 @ stub DllUnregisterServer
diff --git a/dlls/qcap/qcap_main.c b/dlls/qcap/qcap_main.c
index 67a01ed518c..ce1a89e22da 100644
--- a/dlls/qcap/qcap_main.c
+++ b/dlls/qcap/qcap_main.c
@@ -1 +1,23 @@
-/* nothing here yet */
+#include "wine/debug.h"
+#include "winerror.h"
+
+
+WINE_DEFAULT_DEBUG_CHANNEL(qcap);
+
+/***********************************************************************
+ *      DllRegisterServer (QCAP.@)
+ */
+HRESULT WINAPI QCAP_DllRegisterServer()
+{
+	FIXME("(): stub\n");
+	return 0;
+}
+
+/***********************************************************************
+ *		DllGetClassObject (QCAP.@)
+ */
+HRESULT WINAPI QCAP_DllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv)
+{
+    FIXME("\n\tCLSID:\t%s,\n\tIID:\t%s\n",debugstr_guid(rclsid),debugstr_guid(iid));
+    return CLASS_E_CLASSNOTAVAILABLE;
+}
diff --git a/dlls/quartz/main.c b/dlls/quartz/main.c
index f67dd033a4d..80da205b57a 100644
--- a/dlls/quartz/main.c
+++ b/dlls/quartz/main.c
@@ -1 +1,33 @@
-/* all codes are removed by author */
+#include "wine/debug.h"
+#include "winerror.h"
+
+
+WINE_DEFAULT_DEBUG_CHANNEL(quartz);
+
+DWORD dll_ref = 0;
+
+/***********************************************************************
+ *      DllRegisterServer (QUARTZ.@)
+ */
+HRESULT WINAPI QUARTZ_DllRegisterServer()
+{
+	FIXME("(): stub\n");
+	return 0;
+}
+
+/***********************************************************************
+ *		DllGetClassObject (QUARTZ.@)
+ */
+HRESULT WINAPI QUARTZ_DllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv)
+{
+    FIXME("\n\tCLSID:\t%s,\n\tIID:\t%s\n",debugstr_guid(rclsid),debugstr_guid(iid));
+    return CLASS_E_CLASSNOTAVAILABLE;
+}
+
+/***********************************************************************
+ *		DllCanUnloadNow (QUARTZ.@)
+ */
+HRESULT WINAPI QUARTZ_DllCanUnloadNow()
+{
+    return dll_ref != 0 ? S_FALSE : S_OK;
+}
diff --git a/dlls/quartz/quartz.spec b/dlls/quartz/quartz.spec
index 07963e6a8a2..113aaf818ed 100644
--- a/dlls/quartz/quartz.spec
+++ b/dlls/quartz/quartz.spec
@@ -2,7 +2,7 @@
 @ stub AMGetErrorTextW
 @ stub AmpFactorToDB
 @ stub DBToAmpFactor
-@ stub DllCanUnloadNow
-@ stub DllGetClassObject
-@ stub DllRegisterServer
+@ stdcall DllCanUnloadNow() QUARTZ_DllCanUnloadNow
+@ stdcall DllGetClassObject(ptr ptr ptr) QUARTZ_DllGetClassObject
+@ stdcall DllRegisterServer() QUARTZ_DllRegisterServer
 @ stub DllUnregisterServer