If Monster Hunter Stories 3: Twisted Reflection will not launch, crashes, stutters, flickers, or skips cutscenes on PC, start by checking its current Steam requirements, then work through Capcom’s software, driver, and symptom-specific checks. These are published troubleshooting steps—not a diagnosis or a guarantee that any one fix will resolve every problem.
Start with your PC’s specifications
Compare your computer with the current Steam system requirements for the game. Check the exact CPU, graphics card and VRAM, system memory, and Windows version; also note whether the graphics are integrated, mobile, or part of a dual-GPU setup. Requirements can change, so use the live Steam listing rather than relying on an old specification copied elsewhere.
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Capcom warns that falling below minimum requirements can mean poor frame rates or failure to run. If your PC meets the minimum but not the recommended specifications, lower the game’s graphics settings before considering a hardware upgrade. Capcom also says normal operation is not guaranteed on systems with onboard graphics that share system memory or on mobile GPUs—even if they meet the displayed requirements. A specific upgrade cannot be recommended without knowing your configuration. Capcom’s PC troubleshooting guidance
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
If the game will not launch or frame rates suddenly drop
Check security software
Capcom says security software can falsely flag game files and prevent the executable from launching; it may also contribute to frame-rate drops. Its Customer Support post says: “Some launching issues and frame rate drops may be attributed to certain security software preventing the game executable from launching due to a false-positive error.” Review your antivirus and firewall exclusions for the game folder, Steam.exe, and Steam AppData, following your security vendor’s instructions. If they are already excluded, Capcom suggests removing and adding them again.
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The default game folder shown by Capcom is C:Program Files (x86)SteamsteamappscommonMONSTER_HUNTER_STORIES_3_TWISTED_REFLECTION. Your installation may be in another Steam library, so confirm its actual location before changing an exclusion. Capcom Customer Support’s Steam troubleshooting thread
Try administrator access and check Windows and graphics drivers
Capcom suggests trying Steam with administrator privileges, then the game executable if needed. Install available Windows updates and update your graphics driver; restart Windows after installing a driver. If a standard update does not help, Capcom lists a clean graphics-driver installation as a later step. On a computer with both integrated and discrete graphics, check that the game is assigned to the intended high-performance GPU. Resetting graphics-driver settings may also help if they have been customized. Capcom notes that some high-end integrated graphics and modern laptop GPUs may work but are not tested or officially supported. Capcom’s PC troubleshooting guidance
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Verify the game files and close competing software
- Verify files: In Steam, open the game’s Properties, select Installed Files, and choose Verify integrity of game files. Steam can replace missing or corrupted files.
- Close resource-heavy applications: Exit capture software, performance overlays, and other programs using substantial system resources, then test the game again.
- Clear the named shader cache files if trouble remains: In the game’s installation folder, delete
shader.cache,shader.cache2, andpipelinelist.binif they are present.
Capcom’s PC troubleshooting guidance
Choose a fix for the symptom
Low FPS, unstable frame rate, or stuttering
Set Graphics Settings to Low or Medium and test again. Check that the PC has adequate ventilation and is not overheating; Capcom also suggests limiting the frame rate. Close background applications and overlays before judging whether a setting change helped. The official guidance does not provide benchmark figures or establish how common these problems are. Capcom’s PC troubleshooting guidance
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In the game, open Options > Monitor and adjust V-Sync. Also check the monitor’s own settings. Change one setting at a time so you can tell whether it affects the display problem. Capcom’s PC troubleshooting guidance
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Cutscenes do not play
If you use Windows N or KN, try installing Microsoft’s Media Feature Pack. Capcom says some cutscenes use Windows Media Player codecs, which may be absent from those Windows editions. Capcom’s PC troubleshooting guidance
Compatibility or DirectX errors
If Compatibility Mode is enabled, turn it off for both the game executable and Steam.exe. For DirectX-related trouble, Capcom recommends running Microsoft’s DirectX End-User Runtime Web Installer. Capcom’s PC troubleshooting guidance
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Check Capcom’s NVIDIA driver notice before changing drivers
On March 26, 2026, Capcom reported crash-related issues with NVIDIA drivers including versions 595.79 and 595.97, and said it was investigating with NVIDIA. On April 2, Capcom said game version 1.0.04 fixed a bug related to GeForce RTX 50 graphics cards and certain drivers. The notice does not identify every affected driver or configuration, and it does not show that a particular crash has this cause. Check Capcom’s current notices and your current game and driver versions before considering a driver rollback or other change. Capcom’s notices and troubleshooting guidance
Quick wins for a faster PC:
Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Repair Windows errors before they cause bigger problemsFix Now →Send support the details needed to investigate
If the checks do not resolve the issue, gather the information Capcom requests before contacting support:
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- CPU, graphics card and VRAM, system memory, Windows version, and graphics driver version.
- Security software and monitor details.
- Graphics settings from
config.ini. - The current game version, the exact symptom, where and when it occurs, whether it can be reproduced, and the steps that reproduce it.
- Screenshots or a video, if available.
For a crash, look for a CrashReport folder in the game directory. A timestamped ZIP is usually created; keep the report closest in time to the crash for support. Capcom Customer Support’s Steam troubleshooting thread
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