diff --git a/mspconvert.py b/mspconvert.py
index 5a66e84..7a5b13d 100755
--- a/mspconvert.py
+++ b/mspconvert.py
@@ -23,72 +23,82 @@ static unsigned char {0}_bits [] =
 
 outputData = b''
 
-with open(filename + ".MSP", 'rb') as f:
-    versionString = f.read(4)
-    if versionString == b'\x4c\x69\x6e\x53':
-        version = 2
-    elif versionString == b'\x44\x61\x6e\x4d':
-        version = 1
-    else:
-        print("The given file {0}.MSP is not a valid Microsoft Paint file!".format(filename))
-        sys.exit(255)
+try:
+    with open(filename + ".MSP", 'rb') as f:
+        versionString = f.read(4)
+        if versionString == b'\x4c\x69\x6e\x53':
+            version = 2
+        elif versionString == b'\x44\x61\x6e\x4d':
+            version = 1
+        else:
+            print("The given file {0}.MSP is not a valid Microsoft Paint file!".format(filename))
+            sys.exit(255)
 
-    if version == 2:
-        print("Version 2 Paint file detected...")
-        width = int.from_bytes(f.read(2), "little")
-        height = int.from_bytes(f.read(2), "little")
-        size = int((width * height) / 8)
-        f.seek((height * 2) + 32) # seek to the start of image data
-        while(byte := f.read(1)):
-            if(int.from_bytes(byte, "little") == 0): # RLL-encoded
-                rllLen = int.from_bytes(f.read(1), "little")
-                rllValue = f.read(1)
-                for i in range(0,rllLen):
-                    outputData += rllValue
-                    size -= 1
-            else:
-                rllLen = int.from_bytes(byte, "little")
-                for i in range(0,rllLen):
-                    outputData += f.read(1)
-                    size -= 1
-        print("Remaining size: {0}".format(size))
-        for i in range(0, size):
-            outputData += b'\xff'
+        if version == 2:
+            print("Version 2 Paint file detected...")
+            width = int.from_bytes(f.read(2), "little")
+            height = int.from_bytes(f.read(2), "little")
+            size = int((width * height) / 8)
+            f.seek((height * 2) + 32) # seek to the start of image data
+            while(byte := f.read(1)):
+                if(int.from_bytes(byte, "little") == 0): # RLL-encoded
+                    rllLen = int.from_bytes(f.read(1), "little")
+                    rllValue = f.read(1)
+                    for i in range(0,rllLen):
+                        outputData += rllValue
+                        size -= 1
+                else:
+                    rllLen = int.from_bytes(byte, "little")
+                    for i in range(0,rllLen):
+                        outputData += f.read(1)
+                        size -= 1
+                        print("Remaining size: {0}".format(size))
+            for i in range(0, size):
+                outputData += b'\xff'
 
-        with open(filename + "_converted.xbm", 'w') as f:
-            print("Writing output file...")
-            f.write(outputString.format(filename, width, height))
-            f.write(" {")
+            with open(filename + "_converted.xbm", 'w') as f:
+                print("Writing output file...")
+                f.write(outputString.format(filename, width, height))
+                f.write(" {")
+                q = 0
+                for byte in outputData:
+                    result = int('{:08b}'.format(byte)[::-1], 2)
+                    f.write("0x" + '{:x}'.format(result) + ", ")
+                    q += 1
+                    if q >= 16:
+                        f.write("\n")
+                        q = 0
+                        f.write(" };")
+                        print("Done!")
+                        sys.exit(0)
+        elif version == 1:
+            print("Version 1 Paint detected...")
+            width = int.from_bytes(f.read(2), "little")
+            height = int.from_bytes(f.read(2), "little")
+            f.seek(28)
             q = 0
-            for byte in outputData:
-                result = int('{:08b}'.format(byte)[::-1], 2)
-                f.write("0x" + '{:x}'.format(result) + ", ")
+            outputString = outputString.format(filename, width, height)
+            outputString += " {\n"
+            while(byte := f.read(1)):
+                result = int('{:08b}'.format(int.from_bytes(byte, "big"))[::-1], 2)
+                outputString += "0x" + '{:x}'.format(result) + ", "
                 q += 1
                 if q >= 16:
-                    f.write("\n")
+                    outputString += "\n"
                     q = 0
-            f.write(" };")
-        print("Done!")
-        sys.exit(0)
-    elif version == 1:
-        print("Version 1 Paint detected...")
-        width = int.from_bytes(f.read(2), "little")
-        height = int.from_bytes(f.read(2), "little")
-        f.seek(28)
-        q = 0
-        outputString = outputString.format(filename, width, height)
-        outputString += " {\n"
-        while(byte := f.read(1)):
-            result = int('{:08b}'.format(int.from_bytes(byte, "big"))[::-1], 2)
-            outputString += "0x" + '{:x}'.format(result) + ", "
-            q += 1
-            if q >= 16:
-                outputString += "\n"
-                q = 0
-        outputString += " };"
+                    outputString += " };"
 
-        with open(filename + "_converted.xbm", 'w') as f:
-            print("Writing output file...")
-            f.write(outputString)
-        print("Done!")
-        sys.exit(0)
+            with open(filename + "_converted.xbm", 'w') as f:
+                print("Writing output file...")
+                f.write(outputString)
+                print("Done!")
+                sys.exit(0)
+except FileNotFoundError:
+    print("{0}.MSP does not exist! Quitting...".format(filename))
+    sys.exit(255)
+except PermissionError:
+    print("Unable to open {0}.MSP -- insufficient permissions! Quitting...".format(filename))
+    sys.exit(255)
+except Exception:
+    print("Something went wrong! Quitting...")
+    sys.exit(255)