0.119 / 06-03-2022

MedGui Reborn





MedGui Reborn is a frontend/launcher (GUI) for Mednafen multi emulator, written in VB .Net with Microsoft Visual Studio Community .


Most Recent Changes


  • Added Sega Arcade SCSP Player support

  • Fixed a bug introduced on last MedGuiR release that broke Mednafen auto update function

  • Fixed a regression that block the extraction of 7z or rar cd based file into "romtemp" folder (thx to Drop bop for reporting the bug)


This is only a update, if this is your first download, you need also the full MedGuiR v0.118.


  • ixed boxart batch downloader

  • Removed Freenode from MedClient autoconnection window and added irc.oftc.net

  • Fixed a crash on clone function when you select Desktop as path

  • Fixed crash on clone file due to unsupported chars

  • Added progress bar to clone file operation

  • Increased the rom size detection for (Megadrive) bin file to 16000000 Byte

  • Added all new parameters introduced in Mednafen v.1.28.0 Unstable

  • Added support for .zst file (this file will be managed as generic file without game console detection)

  • Added support for .zip and .7z file compressed with Zstd format (this containers format will be managed as ususal with game console detection)

  • Added native support for loading CD images from .zip or .zst archives by Mednafen, enabling "cd.image_memcache 1" parameter in Mednafen config file or by GUI
    (This file will be managed as generic file without game console detection and can't be prescanned)

  • MedGuiR now use .ico file instead .gif to show console icon into the rom list, seem that improve the games list loading and reduce drastically the memory usage

  • Fixed any sparsed bugs (I hope)


  • Updated FPS display position parameters

  • Fixed a regression that prevented the filtering of games by region on the icon menu

  • Changed Default Mednafen IRC server

  • Added instruction to cheat manager to enable cheat code

  • Added a complete rom filter that include both "region" "game name" and "genre" (unluckly no support for headerless rom and cd based games)

  • Added on "File Manager" box, "Clone file to" another path (useful to move games filtered by genre, name, region into a specific directory "You say external microsd?")

  • Added new MetroMed release v0.11 with a new list grid layout

  • If default rom path is empty or not detectable, medgui will create and set one, named ROMS folder (requested by PFTM)

  • Added mednafen backup config on command key window


  • Fixed a bug on search rom filter in MedClient

  • On textual menu, added a LED to notify if Autoconnect to Server is enabled or not

  • Added a Virtual Keyboard usable with gamepad to Search Rom

  • Changed beaviour of joypad button on the GUI

  • Added a "fast load" option to MedGui settings to improve the populations of datagrid list rom

  • Fixed a crash that occuring when MedClient FTP is not accessible

  • Increased the folder rom detection for extracted game to 40000000 byte (thx to Alien Grey for report the bug)

  • On Advanced menu added a option to rename a game name with a custom name (thx to Snacko for suggestion)

  • Added video.glformat parameter/option for 16bpp graphics Mednafen output support


  • Added support for Compact File Set compliant images (https://pismotec.com/cfs/)

  • Change a bit the control pad code to make it compatible with medgui textual top menu

  • Now boxart background color is the same of the GUI

  • Add Tabpage tab colours change with background (code from https://dotnetrix.co.uk/tabcontrol.htm)

  • Fixed a bug with start and detection of a file with same crc

  • Added .ciso support

  • Fixed hide of snes enhancement chip rom in rom list

  • Added Spismo tool to convert cd image format into Compact File Set format (you need Pismo File Mount Audit Package installed on your pc to enable cfs support into MedGuiR) https://pismotec.com/download/


  • Minor cosmetic change on Mednafen Server detection

  • Added error 404 on gamehacking.org downloader

  • Removed wrong tooltips on any tabs

  • Added tls1.2 support on missing parts (should solve the broken boxart scraper function)

  • Fixed the wrong beaviour on missing tls support on Net Framework 2.0

  • Changed Vimm's query on link tab

  • Changed Discord webhook

  • Added a control and warning for special chars inside a folder name


This is only a update, if this is your first download, you need also the full MedGuiR v0.113.

Not more addictions this time, fixed any bugs.
Extract and overwrite this archive on your MedGuiR main path.

  • Removed wrong tooltips on any tabs

  • Added tls1.2 support on missing parts (should solve the broken boxart scraper function)


  • On MedClient added a simple game list to start a netplay session on the fly

  • Fixed scanlines trackbar value on sms

  • Fixed selection of medguir menu style at first startup

  • Changed and fixed popup boxart on the screen

  • Autocheck internal browser under WINE

  • Fixed advanced mednafen settings show form under WINE

  • Fixed search game filter on combobox

  • Cosmetic change on grid


  • Key shortcuts and joypad polling will be disabled if medguir form is not active

  • Managed password request added on UCI

  • Fixed any server message on UCI

  • UCI irc is now integrated with MedClient to better manage online session

  • Added notification icon on traybar for MedClient with details for online sessions opened and irc users connected

  • Added any common irc functions on UCI irc

  • Added EZNotification (popup widget) (https://github.com/clusterzx/EZNotifications) for opened online session, you can change theme on medguir notification icon on tray bar by right click mouse button

  • Added Discord announcement on MedGuiR > NetPlay Discord channel (https://github.com/Kowalski7/Discord-Webhook-Announcer)

  • Minor cosmetic change


  • Removed specific NoDesync settings for psx and nes (now unuseful)

  • Added netplay mednafen doc onto medclient section

  • Fixed reload icon resource on MedClient

  • Minor cosmetic change on MedClient

  • Change a bit the menu code

  • Fixed selectable initial firmware path

  • Disabled any redundant calling function

  • Fixed filter of rom search on drag and drop

  • Improved read of DATs

  • Removed the autoscan of games playlist after DATs update

  • Added a simple file manager/organizer

  • Optimized the mednafen process detection by a function (should speedup the GUI startup loading)

  • Changed the behavior of MedClient

  • Now the rooms session state can be saved on medguir ini


  • The Medclient service now send input configuration to prevent config mismatch

  • Added another ddns for medclient and mednafen server

  • Fixed any bad translated string

  • Fixed a small bug with refresh of rom grid in text menu mode


  • Changed behaviour of rapid rom searcher textbox

  • Fixed detection of per-config system file

  • Solved a bug with snes faust hblend option, that caused crash on old mednafen version

  • Fixed negative value problem with per-game config file

  • Now per-game config will do not delete still existent input config

  • Changed suffix "/v1/" on tgbd api (now scrape function work again)

  • Now user can chose to open mednafen general doc or specific per module

  • Added conversion from chd to cue/bin

  • Added a old style menu instead icons menu, on the top of frontend, user can swap between the two menu in "General Tab", selecting "Text Menu" option

  • Fixed a crash that occur when is impossible to detect the windows os version

  • Fixed behaviour of netplay button