Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsIf Rust keeps crashing on a Windows PC, start by noting when it happens and any error message, then restart Steam and Rust and verify the game files. These are low-risk early checks, not guaranteed cures: the right next step depends on whether Rust closes at startup, while joining a server, or during play.
First, identify when Rust crashes
Record whether Rust closes before the main menu, while joining a server, or during a session. Write down the exact error text and note whether Steam or Windows also becomes unstable. Facepunch recognizes that Rust can fail at different points, but its support guidance does not assign one definite cause to every crash stage.
This distinction helps you assess whether a change made a difference. If the crash is repeatable, note what you were doing immediately before it happened; that detail can help support interpret a crash dump.
Try the low-risk Steam and game-file checks
Restart Rust and Steam
For startup problems such as “Steam not open?” and other common errors, Facepunch’s first listed step is to close Rust and Steam, reopen Steam, and then launch Rust from Steam.
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Update Steam, then check beta participation
Check for Steam client updates. If the problem continues, Facepunch also suggests opting out of Steam beta participation. Treat that as a troubleshooting test, not a guaranteed fix for every crash.
Verify Rust’s files
- Close Rust.
- In Steam, open Rust’s Properties.
- Open Local files and select VERIFY INTEGRITY OF GAME FILES.
- Let Steam finish checking and repairing files; Facepunch notes that this can take several minutes.
Facepunch commonly recommends verification for “Unknown file version” errors. The Rust Wiki also describes Steam checking and repairing missing or corrupted game files.
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Use the EAC steps only when the error points to EAC
Compare a normal launch with an EAC-disabled diagnostic launch
Facepunch says EAC can very rarely conflict with a system and prevent Rust from starting. Its diagnostic procedure compares a regular launch with a launch through RustClient.exe without EAC. If the regular launch fails but the EAC-disabled launch works, EAC is a likely contributor—not a confirmed diagnosis.
This test is for diagnosis, not normal protected multiplayer. Without EAC, you can join only EAC-unsecure servers, which do not appear in the ordinary server browser. Share the result with Facepunch support rather than using this as a workaround for EAC-secure servers. See Facepunch’s EAC-disabled launch instructions.
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For an EAC authentication error
Launch Rust from your Steam library, then use the EAC-specific checks below. These steps are for authentication errors; they are not a blanket instruction for every crash.
- Wait up to ten minutes, then try again.
- Verify Rust’s files using the Steam procedure above.
- Repair EAC using Facepunch’s instructions.
- Restart the PC and internet connection.
- Check for Windows updates.
- Review whether antivirus software is interfering; do not disable protection indiscriminately.
- Check the output log for forbidden applications. Do not terminate unfamiliar processes just because they are running.
- If the earlier steps fail, consider a fresh reinstall using Facepunch’s instructions.
Follow the full Facepunch guidance for EAC authentication timeouts for the relevant repair details.
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Compare your PC with Rust’s listed requirements
The Rust Wiki lists the following Windows requirements. Its page does not state when these specifications were last revised, so treat them as the published guidance rather than a guarantee that a particular PC will or will not crash.
| Requirement | Minimum | Recommended |
|---|---|---|
| Operating system | Windows 11 64-bit | Windows 11 64-bit |
| Memory | 12 GB RAM | 16 GB RAM |
| Processor | Intel Core i5- разм | Intel Core i7- |
| Graphics | Graphics card tier listed by the Rust Wiki | Stronger graphics card tier listed by the Rust Wiki |
| DirectX | Version 11 | Version 12 |
| Storage | 45 GB | 45 GB |
| Drive guidance | SSD highly recommended | SSD required |
The accessible requirements page identifies processor and graphics tiers; check the Rust Wiki system requirements for the exact listed models. A PC below a listed specification is worth investigating, but that alone does not establish the cause of an individual crash. An SSD may improve performance; it is not a proven fix for arbitrary crashes.
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Check Windows virtual memory without guessing a fixed size
Facepunch advises checking that the Windows pagefile has not been set to a very low threshold and recommends letting Windows manage its size automatically. Its guidance concerns performance; it does not establish a custom pagefile size as a universal crash fix. The instruction is: “Your computer should be set to allowing Windows to automatically manage it.” See Facepunch’s virtual-memory pagefile guidance.
Reserve a fresh reinstall for persistent problems
A normal Steam reinstall can leave associated files behind. Facepunch’s fresh-reinstall procedure removes the Rust folder, so use its directions carefully and only after less disruptive checks fail. Removing that folder deletes its contents. Follow the official fresh installation instructions.
Send Facepunch useful crash evidence
On Windows 11, Facepunch gives this crash-dump location:
%AppData%LocalTempFacepunch Studios LTDRustcrashes
Attach the most recent relevant .dmp file and describe specifically what you were doing when the crash occurred. Facepunch may also request output_log.txt, found in the Rust installation directory. Its crash-dump instructions explain how to provide the file.
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