How to Clear Cache on Rust

Clearing cache can help when Rust has visual glitches, stuttering after an update, or problems downloading or applying game files. Cache files are temporary data; removing them usually does not erase your character or server progress, which is stored by the game server. However, the steps differ: Rust’s shader cache is local to your computer, while Steam’s download cache belongs to the Steam client.

Start with the least disruptive option that matches the symptom. A shader issue points toward the local shader cache. A stuck or corrupted download points toward Steam’s download cache or a repair of the game files. Menu names and folder locations may differ slightly by Windows version, Steam setup, or game updates.

What You’ll Need

A Windows PC with Rust installed through Steam
Access to your Windows user account and Steam account
A few minutes for Steam to rebuild or verify files
Optional: enough free disk space for temporary files to be downloaded again

This guide focuses on the common Windows and Steam setup. If you play on another operating system, use its file manager and check the current Rust or Steam support guidance rather than copying Windows paths. Do not use third-party “cleaner” tools to target game folders.

Step-by-Step

Identify the problem. If Rust opens but has shader or graphics glitches, try the shader-cache method below. If a Steam download is stalled or repeatedly fails, clear Steam’s download cache instead. If the game crashes or files appear damaged, verifying the installation is usually a better next step than deleting folders at random.
Exit Rust completely. Leave the server, close the game, and wait for it to shut down. If it remains open, press Ctrl+Shift+Esc to open Task Manager, select Rust only if it is still running, and choose End task. Do not end unrelated Windows processes.
Close Steam. In Steam, choose Steam > Exit. Check the system tray near the clock and quit Steam there if it is still running. Closing Steam first helps prevent it from recreating cache files while you work.
Open the Rust installation folder. Start Steam again only if needed to locate the folder: open Library, right-click Rust, and choose Manage > Browse local files. Menu labels may differ slightly by Steam version. Note the folder path, then exit Steam again before changing files.
Find the shader cache. In the Rust installation folder, look for a folder named shadercache. If it is present, delete that folder only. If you do not see it, do not guess at other folders or remove the entire Rust directory. Some game versions or setups may store or manage cache differently.
Restart and test Rust. Open Steam and launch the game. Rust may take longer to start or show temporary stuttering while it rebuilds shader data. Join a server only after the game reaches its normal menu, then check whether the original graphics issue is gone.
Clear Steam’s download cache if downloads are the issue. In Steam, open Settings, then Downloads, and select Clear Download Cache. The exact menu wording or location may vary slightly by version. Confirm the prompt; Steam will restart and ask you to sign in again. This clears Steam’s download cache, not Rust’s shader cache or game files.
Verify Rust’s installed files if needed. In Steam Library, right-click Rust, open Properties, and find Installed Files (older versions may show a Local Files tab). Choose Verify integrity of game files. Steam checks the installation and replaces missing or damaged files; it does not normally remove server-side progress.

If you want to be cautious before deleting a folder, move it to the Recycle Bin rather than permanently emptying it. If Rust runs normally afterward, you can remove the old cache later. Do not move or delete folders such as cfg, maps, or the whole Rust installation unless support instructions specifically tell you to.

Common Mistakes

Deleting the wrong folder: Removing the game’s installation directory can force a full reinstall. Delete only the clearly identified cache folder.
Assuming every “cache” is the same: Steam’s download cache and Rust’s shader cache are separate. Clearing one will not necessarily fix a problem caused by the other.
Expecting cache clearing to fix every crash: Crashes can stem from drivers, corrupted files, incompatible software, or hardware issues. Verify files and review relevant error messages if clearing cache does not help.
Interrupting a rebuild or verification: Let Rust load and Steam finish checking files. Closing either partway through may leave the process incomplete.
Using a cache-cleaning app without checking its selections: Broad cleanup tools can remove settings or files you meant to keep. Use Steam and Windows tools directly.

Tips

Clear only the cache related to the symptom; routine deletion is not required for normal play.
After a graphics driver or game update, allow the first launch to take longer while temporary shader data is recreated.
Keep Steam and Rust closed before working in the installation folder.
Record the exact error message and whether the issue occurs on startup, while loading, or in a particular server. That detail helps narrow down the cause.
Use Steam’s file verification before reinstalling the full game. It is a targeted check and usually takes less effort.

Troubleshooting

The shadercache folder is missing

It may not exist on your setup, or the game may manage shader data elsewhere. Do not create a folder or delete unrelated files. Restart the PC, update your graphics driver through its official source if appropriate, and verify Rust’s files in Steam.

Rust stutters after clearing the cache

Some stutter on the first launch or while visiting areas can happen as shaders are rebuilt. Give the game time to load, then test again. If the problem continues across launches, verify files and check whether the graphics driver is current and compatible.

Steam still cannot download or update Rust

Restart Steam and the PC, then try clearing the download cache once. Check that your internet connection is working and that the drive containing Rust has available space. If the error remains, note its wording and consult Steam Support rather than repeatedly deleting folders.

Verification reports files that need replacing

Let Steam complete the download or repair, then launch Rust again. If verification repeatedly finds problems, check drive health and available space, and contact Steam Support or the game’s official support channel with the error details.

You deleted more than the cache

Check the Recycle Bin and restore the removed files if they are there. If game files are gone or damaged, use Steam’s Verify integrity option; if that cannot restore the installation, reinstall Rust through Steam. Server-side character progress is generally not stored in the local cache.

Frequently Asked Questions

Will clearing Rust’s cache delete my character?

Deleting a local shader cache should not delete server-side character progress. Your progress and items are associated with the server and account, not the shader cache. Avoid deleting configuration or save-related files unless you know what they contain.

How often should I clear the Rust cache?

There is no need to clear it on a schedule. Try it only when troubleshooting a specific graphics or loading issue; cache data helps the game reuse temporary information.

Does clearing Steam’s download cache remove Rust?

No. It clears Steam’s temporary download data, not the installed game. Steam will restart and require you to sign in again.

Should I clear the cache or verify game files first?

For shader or visual glitches, try the shader cache. For missing files, update failures, or repeated crashes, verify Rust’s files in Steam. These actions address different problems and can be used one at a time.

Can I clear Rust’s cache while the game is open?

No. Close Rust and Steam before deleting local cache files. Doing this while the game is running can cause files to remain in use or be recreated immediately.

Further reading: Steam Support. Details can change, so check the official page for anything that matters to you. Spotted a mistake? Tell us. How we write an answer.