diff --git a/addons/common/CfgEventHandlers.hpp b/addons/common/CfgEventHandlers.hpp
index da034f651..7c408d1c6 100644
--- a/addons/common/CfgEventHandlers.hpp
+++ b/addons/common/CfgEventHandlers.hpp
@@ -1,4 +1,10 @@
 
+class Extended_PreStart_EventHandlers {
+    class ADDON {
+        init = QUOTE(call COMPILE_FILE(XEH_preStart));
+    };
+};
+
 class Extended_PreInit_EventHandlers {
     class ADDON {
         init = QUOTE(call COMPILE_FILE(XEH_preInit));
diff --git a/addons/common/XEH_preStart.sqf b/addons/common/XEH_preStart.sqf
new file mode 100644
index 000000000..ed1160076
--- /dev/null
+++ b/addons/common/XEH_preStart.sqf
@@ -0,0 +1,3 @@
+#include "script_component.hpp"
+
+PREP(perFrameEngine);
diff --git a/addons/diagnostic/CfgEventHandlers.hpp b/addons/diagnostic/CfgEventHandlers.hpp
index c80f45504..12a36c126 100644
--- a/addons/diagnostic/CfgEventHandlers.hpp
+++ b/addons/diagnostic/CfgEventHandlers.hpp
@@ -1,4 +1,10 @@
 
+class Extended_PreStart_EventHandlers {
+    class ADDON {
+        init = QUOTE(call COMPILE_FILE(XEH_preStart));
+    };
+};
+
 class Extended_PreInit_EventHandlers {
     class ADDON {
         init = QUOTE(call COMPILE_FILE(XEH_preInit));
diff --git a/addons/diagnostic/XEH_preStart.sqf b/addons/diagnostic/XEH_preStart.sqf
new file mode 100644
index 000000000..eb6d8c1b0
--- /dev/null
+++ b/addons/diagnostic/XEH_preStart.sqf
@@ -0,0 +1,3 @@
+#include "script_component.hpp"
+
+PREP(perf_loop);
diff --git a/addons/events/CfgEventHandlers.hpp b/addons/events/CfgEventHandlers.hpp
index a22a52e48..0e4a3c921 100644
--- a/addons/events/CfgEventHandlers.hpp
+++ b/addons/events/CfgEventHandlers.hpp
@@ -1,3 +1,10 @@
+
+class Extended_PreStart_EventHandlers {
+    class ADDON {
+        init = QUOTE(call COMPILE_FILE(XEH_preStart));
+    };
+};
+
 class Extended_PreInit_EventHandlers
 {
     class ADDON
diff --git a/addons/events/XEH_preStart.sqf b/addons/events/XEH_preStart.sqf
new file mode 100644
index 000000000..7b3c0dfce
--- /dev/null
+++ b/addons/events/XEH_preStart.sqf
@@ -0,0 +1,6 @@
+#include "script_component.hpp"
+
+PREP(NetRunEventTOR);
+PREP(NetRunEventCTS);
+PREP(keyHandler);
+PREP(remoteLocalEvent);
diff --git a/addons/network/CfgEventHandlers.hpp b/addons/network/CfgEventHandlers.hpp
index 25f05cc28..ce3b84460 100644
--- a/addons/network/CfgEventHandlers.hpp
+++ b/addons/network/CfgEventHandlers.hpp
@@ -1,15 +1,18 @@
-class Extended_PreInit_EventHandlers
-{
-    class ADDON
-    {
+
+class Extended_PreStart_EventHandlers {
+    class ADDON {
+        init = QUOTE(call COMPILE_FILE(XEH_preStart));
+    };
+};
+
+class Extended_PreInit_EventHandlers {
+    class ADDON {
         init = QUOTE(call COMPILE_FILE(XEH_preInit));
     };
 };
 
-class Extended_PostInit_EventHandlers
-{
-    class ADDON
-    {
+class Extended_PostInit_EventHandlers {
+    class ADDON {
         serverInit = QUOTE(call COMPILE_FILE(XEH_postServerInit));
     };
 };
diff --git a/addons/network/XEH_preStart.sqf b/addons/network/XEH_preStart.sqf
new file mode 100644
index 000000000..3ac3307fc
--- /dev/null
+++ b/addons/network/XEH_preStart.sqf
@@ -0,0 +1,6 @@
+#include "script_component.hpp"
+
+PREP(opc);
+PREP(opd);
+PREP(sync);
+PREP(exec);
diff --git a/addons/versioning/CfgEventHandlers.hpp b/addons/versioning/CfgEventHandlers.hpp
index 7db77d1a4..f9dcfede1 100644
--- a/addons/versioning/CfgEventHandlers.hpp
+++ b/addons/versioning/CfgEventHandlers.hpp
@@ -1,15 +1,18 @@
-class Extended_PreInit_EventHandlers
-{
-    class ADDON
-    {
+
+class Extended_PreStart_EventHandlers {
+    class ADDON {
+        init = QUOTE(call COMPILE_FILE(XEH_preStart));
+    };
+};
+
+class Extended_PreInit_EventHandlers {
+    class ADDON {
         init = QUOTE(call COMPILE_FILE(XEH_preInit));
     };
 };
 
-class Extended_PostInit_EventHandlers
-{
-    class ADDON
-    {
+class Extended_PostInit_EventHandlers {
+    class ADDON {
         init = QUOTE(call COMPILE_FILE(XEH_postInit));
         serverInit = QUOTE(call COMPILE_FILE(XEH_postInitServer));
         clientInit = QUOTE(if !(isServer) then { call COMPILE_FILE(XEH_postInitClient) });
diff --git a/addons/versioning/XEH_preStart.sqf b/addons/versioning/XEH_preStart.sqf
new file mode 100644
index 000000000..58ece1b4e
--- /dev/null
+++ b/addons/versioning/XEH_preStart.sqf
@@ -0,0 +1,3 @@
+#include "script_component.hpp"
+
+PREP(version_check);
diff --git a/addons/xeh/fnc_preStart.sqf b/addons/xeh/fnc_preStart.sqf
index b1af3ebc8..ccdb0b40a 100644
--- a/addons/xeh/fnc_preStart.sqf
+++ b/addons/xeh/fnc_preStart.sqf
@@ -16,6 +16,9 @@ Author:
 ---------------------------------------------------------------------------- */
 #include "script_component.hpp"
 
+// prevent this from being overwritten
+uiNamespace setVariable ["", compileFinal ""];
+
 // mission namespace does not exist yet.
 // spawned threads will not continue.
 with uiNamespace do {
@@ -23,6 +26,9 @@ with uiNamespace do {
 
     XEH_LOG("XEH: PreStart started.");
 
+    SLX_XEH_COMPILE = compileFinal "compile preprocessFileLineNumbers _this"; //backwards comps
+    SLX_XEH_COMPILE_NEW = CBA_fnc_compileFunction; //backwards comp
+
     // call PreStart events
     {
         if (_x select 1 == "preStart") then {