diff --git a/chunihook/dllmain.c b/chunihook/dllmain.c
index 1a7dc39..1cd3ebd 100644
--- a/chunihook/dllmain.c
+++ b/chunihook/dllmain.c
@@ -1,6 +1,5 @@
 #include <windows.h>
 
-#include <stddef.h>
 #include <stdlib.h>
 
 #include "amex/amex.h"
@@ -73,25 +72,25 @@ static DWORD CALLBACK chuni_pre_startup(void)
             chuni_hook_mod);
 
     if (FAILED(hr)) {
-        return EXIT_FAILURE;
+        goto fail;
     }
 
     hr = amex_hook_init(&chuni_hook_cfg.amex, chunithm_jvs_init);
 
     if (FAILED(hr)) {
-        return EXIT_FAILURE;
+        goto fail;
     }
 
     hr = slider_hook_init(&chuni_hook_cfg.slider);
 
     if (FAILED(hr)) {
-        return EXIT_FAILURE;
+        goto fail;
     }
 
     hr = sg_reader_hook_init(&chuni_hook_cfg.aime, 12);
 
     if (FAILED(hr)) {
-        return EXIT_FAILURE;
+        goto fail;
     }
 
     /* Initialize debug helpers */
@@ -103,6 +102,9 @@ static DWORD CALLBACK chuni_pre_startup(void)
     /* Jump to EXE start address */
 
     return chuni_startup();
+
+fail:
+    ExitProcess(EXIT_FAILURE);
 }
 
 BOOL WINAPI DllMain(HMODULE mod, DWORD cause, void *ctx)
diff --git a/divahook/dllmain.c b/divahook/dllmain.c
index 1a6449a..a59a066 100644
--- a/divahook/dllmain.c
+++ b/divahook/dllmain.c
@@ -1,6 +1,5 @@
 #include <windows.h>
 
-#include <stddef.h>
 #include <stdlib.h>
 
 #include "amex/amex.h"
@@ -48,25 +47,25 @@ static DWORD CALLBACK diva_pre_startup(void)
             diva_hook_mod);
 
     if (FAILED(hr)) {
-        return EXIT_FAILURE;
+        goto fail;
     }
 
     hr = amex_hook_init(&diva_hook_cfg.amex, diva_jvs_init);
 
     if (FAILED(hr)) {
-        return EXIT_FAILURE;
+        goto fail;
     }
 
     hr = sg_reader_hook_init(&diva_hook_cfg.aime, 10);
 
     if (FAILED(hr)) {
-        return EXIT_FAILURE;
+        goto fail;
     }
 
     hr = slider_hook_init(&diva_hook_cfg.slider);
 
     if (FAILED(hr)) {
-        return EXIT_FAILURE;
+        goto fail;
     }
 
     /* Initialize debug helpers */
@@ -78,6 +77,9 @@ static DWORD CALLBACK diva_pre_startup(void)
     /* Jump to EXE start address */
 
     return diva_startup();
+
+fail:
+    ExitProcess(EXIT_FAILURE);
 }
 
 BOOL WINAPI DllMain(HMODULE mod, DWORD cause, void *ctx)
diff --git a/idzhook/dllmain.c b/idzhook/dllmain.c
index a54e4bd..80ca7ef 100644
--- a/idzhook/dllmain.c
+++ b/idzhook/dllmain.c
@@ -1,6 +1,5 @@
 #include <windows.h>
 
-#include <stddef.h>
 #include <stdlib.h>
 
 #include "amex/amex.h"
@@ -49,19 +48,19 @@ static DWORD CALLBACK idz_pre_startup(void)
             idz_hook_mod);
 
     if (FAILED(hr)) {
-        return hr;
+        goto fail;
     }
 
     hr = amex_hook_init(&idz_hook_cfg.amex, idz_jvs_init);
 
     if (FAILED(hr)) {
-        return hr;
+        goto fail;
     }
 
     hr = sg_reader_hook_init(&idz_hook_cfg.aime, 10);
 
     if (FAILED(hr)) {
-        return hr;
+        goto fail;
     }
 
     /* Initialize debug helpers */
@@ -73,6 +72,9 @@ static DWORD CALLBACK idz_pre_startup(void)
     /* Jump to EXE start address */
 
     return idz_startup();
+
+fail:
+    ExitProcess(EXIT_FAILURE);
 }
 
 BOOL WINAPI DllMain(HMODULE mod, DWORD cause, void *ctx)
diff --git a/minihook/dllmain.c b/minihook/dllmain.c
index 0c1512d..bdc45b8 100644
--- a/minihook/dllmain.c
+++ b/minihook/dllmain.c
@@ -1,5 +1,7 @@
 #include <windows.h>
 
+#include <stdlib.h>
+
 #include "amex/config.h"
 #include "amex/ds.h"
 
@@ -20,6 +22,7 @@ static DWORD CALLBACK app_pre_startup(void)
     struct clock_config clock_cfg;
     struct ds_config ds_cfg;
     struct nusec_config nusec_cfg;
+    HRESULT hr;
 
     dprintf("--- Begin %s ---\n", __func__);
 
@@ -28,13 +31,30 @@ static DWORD CALLBACK app_pre_startup(void)
     nusec_config_load(&nusec_cfg, L".\\segatools.ini");
     spike_hook_init(L".\\segatools.ini");
 
-    clock_hook_init(&clock_cfg);
-    nusec_hook_init(&nusec_cfg, "SSSS", "AAV0");
-    ds_hook_init(&ds_cfg);
+    hr = clock_hook_init(&clock_cfg);
+
+    if (FAILED(hr)) {
+        goto fail;
+    }
+
+    hr = nusec_hook_init(&nusec_cfg, "SSSS", "AAV0");
+
+    if (FAILED(hr)) {
+        goto fail;
+    }
+
+    hr = ds_hook_init(&ds_cfg);
+
+    if (FAILED(hr)) {
+        goto fail;
+    }
 
     dprintf("---  End  %s ---\n", __func__);
 
     return app_startup();
+
+fail:
+    ExitProcess(EXIT_FAILURE);
 }
 
 BOOL WINAPI DllMain(HMODULE mod, DWORD cause, void *ctx)
diff --git a/mu3hook/dllmain.c b/mu3hook/dllmain.c
index 7161261..ebfff0b 100644
--- a/mu3hook/dllmain.c
+++ b/mu3hook/dllmain.c
@@ -1,5 +1,7 @@
 #include <windows.h>
 
+#include <stdlib.h>
+
 #include "board/io4.h"
 #include "board/sg-reader.h"
 #include "board/vfd.h"
@@ -45,25 +47,25 @@ static DWORD CALLBACK mu3_pre_startup(void)
             mu3_hook_mod);
 
     if (FAILED(hr)) {
-        return hr;
+        goto fail;
     }
 
     hr = sg_reader_hook_init(&mu3_hook_cfg.aime, 1);
 
     if (FAILED(hr)) {
-        return hr;
+        goto fail;
     }
 
     hr = vfd_hook_init(2);
 
     if (FAILED(hr)) {
-        return hr;
+        goto fail;
     }
 
     hr = mu3_io4_hook_init();
 
     if (FAILED(hr)) {
-        return hr;
+        goto fail;
     }
 
     /* Initialize Unity native plugin DLL hooks
@@ -82,6 +84,9 @@ static DWORD CALLBACK mu3_pre_startup(void)
     /* Jump to EXE start address */
 
     return mu3_startup();
+
+fail:
+    ExitProcess(EXIT_FAILURE);
 }
 
 BOOL WINAPI DllMain(HMODULE mod, DWORD cause, void *ctx)