diff --git a/libs_win32/app.h b/libs_win32/app.h
index b70c659..9140bce 100644
--- a/libs_win32/app.h
+++ b/libs_win32/app.h
@@ -930,10 +930,10 @@ void app_coordinates_bitmap_to_window( app_t* app, int width, int height, int* x
 #ifndef APP_FATAL_ERROR
     #if defined(__cplusplus)
         #define APP_FATAL_ERROR( ctx, message ) { ::printf( "FATAL ERROR: %s\n", message ); \
-            ::MessageBoxA( 0, message, "Fatal Error!", MB_OK | MB_ICONSTOP ); ::_flushall(); ::_exit( 0xff ); }
+            ::MessageBoxA( 0, message, "Fatal Error!", MB_OK | MB_ICONSTOP ); ::_flushall(); }
     #else
         #define APP_FATAL_ERROR( ctx, message ) { printf( "FATAL ERROR: %s\n", message ); \
-            MessageBoxA( 0, message, "Fatal Error!", MB_OK | MB_ICONSTOP ); _flushall(); _exit( 0xff ); }
+            MessageBoxA( 0, message, "Fatal Error!", MB_OK | MB_ICONSTOP ); _flushall(); }
     #endif
 #endif
 
diff --git a/linuxdoom-1.10/d_main.c b/linuxdoom-1.10/d_main.c
index 17f18af..16c2120 100644
--- a/linuxdoom-1.10/d_main.c
+++ b/linuxdoom-1.10/d_main.c
@@ -742,7 +742,6 @@ void FindResponseFile (void)
 	    if (!handle)
 	    {
 		printf ("\nNo such response file!");
-		exit(1);
 	    }
 	    printf("Found response file %s!\n",&myargv[i][1]);
 	    fseek (handle,0,SEEK_END);
diff --git a/linuxdoom-1.10/i_sound.c b/linuxdoom-1.10/i_sound.c
index 6497b5c..d89f508 100644
--- a/linuxdoom-1.10/i_sound.c
+++ b/linuxdoom-1.10/i_sound.c
@@ -927,7 +927,6 @@ myioctl
     {
 	fprintf(stderr, "ioctl(dsp,%d,arg) failed\n", command);
 	fprintf(stderr, "errno=%d\n", errno);
-	exit(-1);
     }
 }
 
diff --git a/linuxdoom-1.10/i_system.c b/linuxdoom-1.10/i_system.c
index 65188ab..74bd820 100644
--- a/linuxdoom-1.10/i_system.c
+++ b/linuxdoom-1.10/i_system.c
@@ -121,7 +121,6 @@ void I_Quit (void)
     I_ShutdownMusic();
     M_SaveDefaults ();
     I_ShutdownGraphics();
-    exit(0);
 }
 
 
@@ -164,7 +163,6 @@ void I_Error (char *error, ...)
     D_QuitNetGame ();
     I_ShutdownGraphics();
     
-    exit(-1);
 }
 
 
@@ -292,7 +290,6 @@ void I_Quit (void)
     I_ShutdownMusic();
     M_SaveDefaults ();
     I_ShutdownGraphics();
-    exit(0);
 }
 
 void I_WaitVBL(int count)
@@ -351,7 +348,6 @@ void I_Error (char *error, ...)
     D_QuitNetGame ();
     I_ShutdownGraphics();
     
-    exit(-1);
 }
 
 #endif
\ No newline at end of file
diff --git a/sndserv/linux.c b/sndserv/linux.c
index 93b067d..f886cd8 100644
--- a/sndserv/linux.c
+++ b/sndserv/linux.c
@@ -60,7 +60,6 @@ myioctl
     {
 	fprintf(stderr, "ioctl(dsp,%d,arg) failed\n", command);
 	fprintf(stderr, "errno=%d\n", errno);
-	exit(-1);
     }
 }
 
diff --git a/sndserv/soundsrv.c b/sndserv/soundsrv.c
index a2fe0b0..81efac1 100644
--- a/sndserv/soundsrv.c
+++ b/sndserv/soundsrv.c
@@ -136,7 +136,6 @@ int		vol_lookup[128*256];
 static void derror(char* msg)
 {
     fprintf(stderr, "error: %s\n", msg);
-    exit(-1);
 }
 
 int mix(void)
@@ -371,7 +370,6 @@ grabdata
     else
     {
 	fprintf(stderr, "Could not find wadfile anywhere\n");
-	exit(-1);
     }
 
     
@@ -574,7 +572,6 @@ void quit(void)
 {
     I_ShutdownMusic();
     I_ShutdownSound();
-    exit(0);
 }
 
 
diff --git a/sndserv/wadread.c b/sndserv/wadread.c
index 4fd61a5..edb2862 100644
--- a/sndserv/wadread.c
+++ b/sndserv/wadread.c
@@ -127,7 +127,6 @@ unsigned short SwapSHORT(unsigned short x)
 static void derror(char* msg)
 {
     fprintf(stderr, "\nwadread error: %s\n", msg);
-    exit(-1);
 }