Index: dll/win32/setupapi/install.c
===================================================================
--- dll/win32/setupapi/install.c	(revision 67263)
+++ dll/win32/setupapi/install.c	(working copy)
@@ -2049,6 +2049,7 @@
 {
     struct DeviceInfoSet *list = NULL;
     BOOL ret = FALSE;
+    BOOL found_section = FALSE;
 
     TRACE("%p, %s, 0x%lx, %p, %p, %p, %p\n", hinf, debugstr_w(sectionname),
         flags, DeviceInfoSet, DeviceInfoData, reserved1, reserved2);
@@ -2109,6 +2110,7 @@
         ret = SetupFindFirstLineW(hinf, sectionname, AddService, &ContextService);
         while (ret)
         {
+            found_section = TRUE;
             if (!GetStringField(&ContextService, 1, &ServiceName))
                 goto nextservice;
 
@@ -2143,11 +2145,14 @@
             ret = SetupFindNextMatchLineW(&ContextService, AddService, &ContextService);
         }
 
-        if (bNeedReboot)
-            SetLastError(ERROR_SUCCESS_REBOOT_REQUIRED);
-        else
-            SetLastError(ERROR_SUCCESS);
-        ret = TRUE;
+        if (found_section)
+        {
+            if (bNeedReboot)
+                SetLastError(ERROR_SUCCESS_REBOOT_REQUIRED);
+            else
+                SetLastError(ERROR_SUCCESS);
+            ret = TRUE;
+        }
     }
 
     TRACE("Returning %d\n", ret);