egui.exe

Egui GUI Runtime Executable

CPU Usage

N/A

Memory

N/A

Location

N/A

Publisher

N/A

Notes

The egui library is widely used for Rust GUI apps; egui.exe should be part of a legitimate app and not left in temp or system folders.

Trust Assessment

Trust is highest when the file resides in a known program folder with a valid signature; lower when found in temp directories or ambiguous locations.

Remediation Steps

If suspicious, quarantine the file, run a full malware scan, and compare the path and hash against official software. Reinstall from the publisher's site if needed.

Publisher Verification

Egui-based applications distribute egui.exe within their installation bundle. Always verify the digital signature and publisher listed in file Properties.

What is egui.exe?

egui.exe is the runtime executable used by applications built with the Rust egui immediate-mode GUI library. It drives the user interface loop, processes input events, and issues drawing commands to the render pipeline. When you launch an egui-based app, egui.exe participates in frame updates and widget rendering across platforms.

egui-exe hosts the egui context per frame, calling into egui's CtxRef to layout and paint widgets, while interfacing with a graphics backend such as DirectX, Vulkan, or OpenGL via the app's windowing system. It is not a Windows system component unless part of a specific app bundle.

Is it Safe?

Is it a Virus?

Why is it Running?

Reasons it's running:

User-initiated GUI app: You launched a Rust-based application built with egui, so egui.exe runs as the UI frame driver and event loop. Idle CPU usage is typically 0-2% and memory usage stays in the tens of MB range; spikes occur with complex widgets.
Background UI component: Some apps spawn egui.exe as a background UI helper for settings panes, wizards, or in-app tutorials.
Installer or updater UI: During installation or update checks, an egui-based UI may be shown via egui.exe to render progress and prompts.
Bundled package: Software packages may include egui.exe as part of a multi-component bundle; the main app may invoke it to render widgets.
Masquerade risk: Malware can imitate the name; verify the file path and digital signature to avoid confusion with legitimate app binaries.

Can I Disable or Remove It?

Common Problems

Common Causes & Solutions

Redraw loop running too often or widgets forcing redraws due to frequent layout recalculation.: Update the app to fix a rendering loop bug, limit frame rate, or disable unnecessary animations.
Widgets retain large data or textures without proper disposal; graphics backend memory grows.: Update to a newer release, review open widgets, and ensure images/textures are released after use.
Initialization error in the egui context or incompatible graphics backend.: Check for required GPU drivers, run the app with a fallback renderer, and look for error logs.
Temporary or masquerading file from malware; legitimate installers may extract temporarily.: Verify path, scan with antivirus, and delete temp copies after installation.
Texture or font resources fail to load; rendering backend mismatch.: Reinstall the app, ensure font assets are present, and update GPU drivers.
Unsigned or tampered binaries; path may be outside the official install.: Only run signed installers from trusted sources; compare publisher and hash with official release.

Frequently Asked Questions

What is egui.exe and what does it do?

egui.exe is the runtime for apps built with the egui Rust GUI library. It runs the immediate-mode UI loop, processes input, and issues drawing commands to render widgets.

Is egui.exe safe to keep on my PC?

Safe if it belongs to a known egui-based app from a trusted publisher. Always verify the file path and digital signature, and scan unknown copies with your security suite.

Why does egui.exe use CPU when the UI seems idle?

Background UI updates, live data widgets, or frequent redraws can keep the frame loop active. Check the app settings and update to a fixed frame rate.

Can I disable or remove egui.exe?

If it is part of a legitimate app, disabling it may break the UI. You can end the process or uninstall the app via Settings > Apps, then re-check if the app is necessary.

Can egui.exe be a virus or malware?

The name alone is not evidence of malware. Verify the install source and digital signature; if in doubt, isolate the file and run a full system scan.

How do I verify the publisher and signature of egui.exe?

Right-click the file, choose Properties > Digital Signatures, and confirm the signer matches the official app publisher; use sigcheck or certutil to validate the hash as well.

Related Processes

Desktop Window Manager handles window composition and effects for GUI apps, often active when egui-based apps render.

File Explorer host that may launch file dialogs and show UI elements for apps using egui.

Console Window Host used by command prompts or shells invoked by GUI tools.

Host process for Windows task templates and UI helpers; can accompany GUI apps during installation or updates.