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    ✈️ MFS Cleaner / Fixer - Image 1

    Description

    ✈️ MFS Cleaner / Fixer – Cleanup, Startup & DLSS Utility for MSFS 2020 & 2024 (Windows)

    Tired of stutters, long load times, broken scenery, or weird sim behaviour after updates?

    MFS Cleaner / Fixer is a fast, practical Windows utility for Microsoft Flight Simulator 2020 & 2024 that helps you clean common caches, manage startup entries, and safely swap DLSS versions — all in one place.

    Built for sim pilots who want results without guesswork.

    🔧 What does it do?

    MFS Cleaner / Fixer focuses on the areas that actually cause problems:

    • Clears cache and temporary files that lead to:

      • Slow loading

      • Stutters & shader rebuild issues
      • Corrupt streamed scenery
      • Post-update bugs
      • GPU shader glitches (yes… those ones 😅)
    • Lets you:

      • Manage startup apps via exe.xml

      • Control and swap DLSS versions with backup + verification

    👉 By default, it only touches safe cache locations
    👉 Advanced actions are clearly marked and optional

    ⭐ Key Features

    • 🧹 Cache & temp cleanup (MSFS 2020 & 2024)
    • ⚙️ Startup Manager (exe.xml) with backup & restore
    • 🎮 DLSS Manager

      • View installed version

      • Download versions
      • Verify integrity
      • Backup & restore
      • Apply safely
    • 📊 Detailed logs (deleted / skipped / failed)
    • 📰 Live FSNews RSS ticker
    • 🌍 Multi-language UI

      • English, German, French, Spanish, Hindi

    • 💬 Built-in Discord link
    • 🚀 Lightweight & fast (portable or installable)

    🧹 Cleanup Actions Included

    You can choose exactly what to clean:

    🪟 Windows & System

    • Windows Temp files
    • DirectX shader cache (D3DSCache)

    🎮 GPU Shader Caches

    • AMD: DxCache, DxcCache, DX9Cache, OglCache
    • NVIDIA: DXCache, GLCache, ComputeCache, LocalLow caches
    • Steam shader cache

    ✈️ Microsoft Flight Simulator

    • MSFS 2020 caches (Steam & Store)
    • MSFS 2024 caches (Steam & Store)
    • StreamedPackages (MSFS 2024)
    • Content.xml (2020 & 2024)
    • Rolling & manual cache files
    • Windows Prefetch (optional)

    ⚠️ Advanced (Optional)

    • MSFS 2024 WASM cleanup

      • Disabled by default

      • Shows a clear warning dialog
      • May reset settings/licences for some add-ons (e.g. //42 Flow Pro)

    ▶️ How to Use

    1. Launch the app
    2. Select the cleanup actions you want
    3. (Optional) enable advanced options if needed
    4. Click Run Selected Actions
    5. Review the log output

    🔐 Some actions require Administrator — the app will tell you when.

    🛡️ Safety & Notes

    • Default actions focus on safe cache cleanup only
    • Does not touch Community add-ons or official packages
    • Startup Manager modifies exe.xml (with backup)
    • DLSS Manager replaces nvngx_dlss.dll (with automatic backup)

    ⚠️ Advanced features may affect:

    • Add-on behaviour
    • Settings / licences
    • Stability or visuals

    DLSS swapping is not officially supported by MSFS — use at your own risk.

    🧠 SmartScreen & Antivirus

    Some builds may be unsigned, so Windows might show a warning.

    To run:

    • Click More info
    • Click Run anyway

    You can verify downloads using provided checksums.

    💻 Requirements

    • Windows 10 / 11 (64-bit)
    • Self-contained .NET 8 build (no install needed)

    💬 Support & Community

    • Join the Discord for help & updates
    • Share logs if something looks off — I actually read them 👀

    ⚠️ Disclaimer

    Use at your own risk.

    This tool is designed to safely clean caches and manage specific simulator components.
    Advanced features (WASM cleanup, DLSS swapping) may impact add-ons, licences, or stability.

    Commentaires(141)

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    F
    FrikFrak

    11 days ago

    latest build does't even startup anymore
    c
    craigybabyjAuthor

    9 days ago

    Sorry to hear that. I haven’t had many reports of the latest build not starting, so it may be something specific to your setup, but I’m happy to look into it.

    Could you try the portable version instead and let me know if that starts correctly? That will help narrow down whether the issue is with the installer/build setup or the app itself.

    Also, if you see any error message, crash popup, antivirus warning, or log file, please send it over along with your Windows version.

    Thanks for reporting it!
    F
    FrikFrak

    about 8 hours ago

    working again with the stand alone version
    C
    CommanderBUS

    17 days ago

    The last build is unstable, it takes a lot of time to load up and to execute simple tasks. The previous build was stable and solid.
    c
    craigybabyjAuthor

    17 days ago

    Thanks for you your feedback Commander will take a look when I get a moment :)
    D
    Dutchman

    22 days ago

    Thanks for this very usefull tool. It works fine!
    c
    craigybabyjAuthor

    9 days ago

    Thank you! Really glad to hear it’s working well for you.

    I appreciate the kind feedback and I’m pleased you’re finding the tool useful!
    e
    etm270344

    23 days ago

    WARNING THIS HAS TO BE ONE OF THE MOST DANGEROUS ADDONS. DO NOT USE. I have tried multiple other apps for cleaning caches etc. This one has been by far the most destructive to my sim. It disabled all my community folder addons to where I have to go into safe mode to renable them. It corrupted my config file and xml file. DO NOT USE!!! 6 hours and counting from my first use and I still dont have it back to the way it was
    c
    craigybabyjAuthor

    22 days ago

    Sorry you had trouble, but this sounds like you never read the Content.xml warning or missed it. The app does not delete Community add-ons. If the Content.xml cleanup option is selected then MSFS rebuilds its content index and can reset enabled/disabled package states. That is why the app shows a warning before running that action.

    Your add-ons should not be gone, they just need to be re-enabled in MSFS Content Manager / Marketplace content settings.

    The tool has been downloaded over 10,000 times and this is not a common report.
    e
    etm270344

    19 days ago

    I got zero warning. I never said my addons were gone. I said exactly what you said that it disabled all of them. Do you understand the amount of time it takes to renable that kind of volume of addons. It locked my sim up so badly that I had to go into safe mode and enable a few at a time. It completely corrupted the xml file also
    c
    craigybabyjAuthor

    18 days ago

    Well only tuck me 5 minutes when I've enabled mine again in the market place maybe you have some other issues if it tuck you a long time.
    C
    Cauan1987

    about 1 month ago

    Thank you for the software. One question: Is there no possibility for you to add the option to choose what you want to delete inside the WASM folder?
    c
    craigybabyjAuthor

    about 1 month ago

    Thanks for the feedback and glad you’re finding the app useful 😊

    At the moment the WASM cleanup is an all-or-nothing option because some addons scatter files around like confetti at a parade 🎭 and partial deletion can sometimes leave broken configs behind.

    That said, being able to choose exactly what to remove inside the WASM folder is a really good idea, especially for people who only want to clear specific addons or problem packages. I’ll definitely look into adding a more advanced selective cleanup option in a future release 👍
    O
    OREST

    about 1 month ago

    Hello! After using your program, my community folder and MSFS folder were completely deleted. In other words, the game itself was completely deleted, along with all its contents. What should I do?
    c
    craigybabyjAuthor

    about 1 month ago

    Hello,

    Sorry you ran into trouble — but MFS Cleaner/Fixer does not delete your simulator installation folder or your Community addons folder.

    It only clears specific cache / catalog paths under places like AppData (for example scenery cache, DCE, WASM cache, and optional Content.xml catalog files). Those are not your whole game install and not your Community folder.

    One task removes Content.xml files. That can make Marketplace and owned content look missing or “off” until you refresh things — not necessarily because files were wiped, but because the catalog list was reset.

    What you should do: open the sim and go to the Marketplace / Content Manager, find your purchases and addons, and turn them back on / reinstall or enable them as you normally would after a catalog reset. If anything still doesn’t show, use owned items / reinstall there.

    If the game folder itself really disappeared from disk or from Steam/Microsoft Store, that usually points to something else (uninstall, manual delete, another tool, Store repair, etc.).

    Best regards,
    CraigBabyJ
    O
    OREST

    about 1 month ago

    Thank you for your quick response. Everything is fine. The disk space has cleared up. Now I have a reason to buy and install MSFS2024. As the saying goes, everything that happens, happens for the best. All the best to you.
    ...
    MSFS 2020MSFS 2024

    ✈️ MFS Cleaner / Fixer

    A smart cleanup and performance toolkit for MSFS 2020 & 2024 — clear caches, manage startup, and swap DLSS versions safely, all in one fast and lightweight app.

    Téléchargements15K
    Version1.4.12
    Taille du fichier95.7 MB
    PubliéIl y a 4 mois
    Mis à jourIl y a 3 semaines
    craigybabyj

    Créateur communautaire

    13 add-ons • 42 abonnés

    Soutiens

    A$14

    £10

    Avis des utilisateurs

    4.7

    18 avis

    5
    83%
    4
    11%
    3
    0%
    2
    0%
    1
    6%

    More Information

    Simulateur
    MSFS2020/24
    CatégorieUtilities
    Sub-CategoryToolkits

    Historique des versions

    MFS Cleaner/Fixer v1.4.12 This update focuses on making the cleaner safer, clearer, and less confusing, especially around Content.xml, Community add-ons, and DLSS management. Cleaner safety improvements Content.xml is now backed up before it is deleted. Added a new Restore Content.xml button in the Cleaner section. Restore Content.xml is only clickable when a backup actually exists. Added a visible backup status line so users can see whether a Content.xml backup is available. The Content.xml warning is now much clearer: MSFS may reset enabled/disabled package states, and users may need to open Content Manager in-game to re-enable Community or Marketplace add-ons they want active. The cleanup log now reminds users what to do after using the Content.xml cleaner. Safer default cleaner settings Content.xml is now unchecked by default to reduce accidental use. Rolling/manual cache files are now enabled by default. Restore Defaults now restores safer recommended cleaner selections. Cleaner UI improvements Removed the unnecessary Exit button from the Cleaner toolbar. Renamed Defaults to a clearer two-line Restore Defaults button. Renamed Clear to Clear Selection. Riskier cleaner actions such as Content.xml and WASM are now marked as confirmation-required. Fixed cramped and clipped buttons in the Cleaner section. Startup Manager UI fixes Fixed the Restore Backup button text being cut off. Startup Manager buttons now resize/wrap more cleanly. DLSS Manager fixes Fixed Download selected text being cut off. Fixed an issue where applying DLSS to MSFS 2020 worked, but the install dropdown jumped back to MSFS 2024 afterward. The DLSS Manager now keeps the selected simulator install after applying or restoring DLSS. Localization Updated the new safety labels, backup status text, restore tooltips, and cleaner button labels for English, German, French, Spanish, and Hindi.

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