aswupdsv.exe

AVAST Software Updater Service

CPU Usage

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Memory

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Location

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Publisher

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Trust

aswupdsv.exe is a legitimate Avast Software Updater Service component signed by AVAST Software s.r.o., integral to keeping Avast up to date.

Guidance

If you troubleshoot, verify path and signature as described, ensure Avast is current, and consider a repair or clean reinstall if anomalies persist.

What is aswupdsv.exe?

aswupdsv.exe is Avast Software Updater Service, a background component of Avast Antivirus. It periodically checks for product and virus-definition updates, downloads patches, and applies them without user interaction. Operating as a Windows service, it helps ensure the protection engine stays current, with updates typically scheduled during idle periods.

aswupdsv.exe runs as a Windows service that contacts Avast update servers to retrieve patches and new virus definitions. It validates signatures and launches silent installations, coordinating with other Avast modules to keep the protection stack current and compatible.

Is it Safe?

Is it a Virus?

Why is it Running?

Reasons it's running:

Regular updates: Keeps Avast Antivirus components and virus definitions current, reducing protection gaps and ensuring compatibility with newer threat families.
Definition refresh cycles: Downloads latest detection signatures so the engine can identify new malware more effectively during scans.
Product component updates: Applies updates to Avast modules beyond definitions, including UI and performance improvements.
Scheduled maintenance: Runs update tasks during off-peak periods to minimize user impact and network congestion.
Automatic integrity checks: Verifies patch integrity and ensures file signatures match expected values after download.

Can I Disable or Remove It?

Common Problems

Common Causes & Solutions

: Let the updater complete; ensure Avast is up to date, check for stuck update processes, and consider restarting Avast services or rebooting the system. If persistent, repair or reinstall Avast.
: Check network connectivity, firewall, and proxy settings. Ensure TLS 1.2 is enabled and that ports 443 are accessible to update.avast.com; retry updates or run the repair option in Avast.
: Verify that AvastSvc.exe and ASWUpdSv are not blocked by security software; run Avast repair or reinstall; ensure the Windows Services are set to Automatic and started.
: Verify the executable signature and path. If flagged, update to the latest Avast version and whitelist the legitimate aswupdsv.exe if needed; run a Defender or Windows Security scan to confirm.
: Clear the updater cache, restart the Avast updater service, and ensure the update task isn’t stuck in a loop; consider reinstalling Avast if the issue persists.
: Schedule updates for off-peak times, limit updater bandwidth in Avast settings, and check for conflicting software that may throttle or block traffic to Avast update servers.