diff --git a/zsnes/src/gui/gui.asm b/zsnes/src/gui/gui.asm
index e144c06f..74f90ca8 100644
--- a/zsnes/src/gui/gui.asm
+++ b/zsnes/src/gui/gui.asm
@@ -1548,6 +1548,42 @@ LOADDir:
     call Change_Dir
     ret
 
+guimencodermsg:
+    xor ebx,ebx
+    mov ecx,256
+.a
+    mov byte[pressed+ebx],0
+    inc ebx
+    dec ecx
+    jnz .a
+    mov byte[pressed+2Ch],0
+.again
+    GUIBox 43,75,213,163,160
+    GUIBox 43,75,213,75,162
+    GUIBox 43,75,43,163,161
+    GUIBox 213,75,213,163,159
+    GUIBox 43,163,213,163,158
+    GUIOuttext 52,96,guimencodert1,220-15
+    GUIOuttext 51,95,guimencodert1,220
+    GUIOuttext 52,134,guimencodert2,220-15
+    GUIOuttext 51,133,guimencodert2,220
+    call vidpastecopyscr
+    call GUIUnBuffer
+    call DisplayBoxes
+    call DisplayMenu
+    call JoyRead
+    cmp byte[pressed+39h],0
+    jne .pressedokay
+    jmp .again
+.pressedokay
+    ret
+
+SECTION .data
+guimencodert1 db ' MENCODER iS MISSING : ',0
+guimencodert2 db ' PRESS SPACE TO CONTINUE',0
+
+section .text
+
 guifirsttimemsg:
     xor ebx,ebx
     mov ecx,256
diff --git a/zsnes/src/gui/guimouse.inc b/zsnes/src/gui/guimouse.inc
index 9b11fba3..c8c2f421 100644
--- a/zsnes/src/gui/guimouse.inc
+++ b/zsnes/src/gui/guimouse.inc
@@ -667,6 +667,10 @@ ProcessMouseButtons:
     pushad
     call MovieDumpRaw
     popad
+    cmp byte[mencoderExists],0
+    jne .okay
+    call guimencodermsg
+.okay
     ret
 .noDumpRaw
     cmp byte[GUICBHold],40
diff --git a/zsnes/src/gui/guiwindp.inc b/zsnes/src/gui/guiwindp.inc
index 37942f9e..c38451bf 100644
--- a/zsnes/src/gui/guiwindp.inc
+++ b/zsnes/src/gui/guiwindp.inc
@@ -22,6 +22,9 @@
 
 EXTSYM VERSION_STR,placedate
 
+SECTION .data
+NEWSYM mencoderExists, db 0
+
 SECTION .text
 
 ; Window Display Routines
diff --git a/zsnes/src/zmovie.c b/zsnes/src/zmovie.c
index 286ade42..1f6c4662 100644
--- a/zsnes/src/zmovie.c
+++ b/zsnes/src/zmovie.c
@@ -61,7 +61,7 @@ extern unsigned int versionNumber, CRC32, cur_zst_size, MsgCount, MessageOn;
 extern unsigned int JoyAOrig, JoyBOrig, JoyCOrig, JoyDOrig, JoyEOrig;
 extern unsigned char pl1contrl, pl2contrl, pl3contrl, pl4contrl, pl5contrl;
 extern unsigned char MovieStartMethod, GUIReset, ReturnFromSPCStall, GUIQuit;
-extern unsigned char MovieProcessing, CMovieExt, EmuSpeed;
+extern unsigned char MovieProcessing, CMovieExt, EmuSpeed, mencoderExists;
 extern char *Msgptr, fnamest[512];
 extern bool romispal;
 bool MovieWaiting = false;
@@ -2009,7 +2009,7 @@ static bool raw_video_open()
       break;
 
     case 2: case 3:
-      raw_vid.vp = popen(encode_command(md_command), WRITE_BINARY);
+      mencoderExists = raw_vid.vp = popen(encode_command(md_command), WRITE_BINARY);
       break;
 
     default:
@@ -2052,6 +2052,7 @@ static bool raw_video_open()
       return(true);
     }
   }
+
   raw_video_close();
   return(false);
 }