← Back to DatabaseHow to Fix Error 0x80090016
Topic: Steam Download and Update Errors | Status: Updated
What is this error?
Error 0x80090016 is a common issue encountered by users while attempting to download or update games on Steam. This error typically indicates a problem with your system's security, often related to the Windows cryptographic service or the local certificate store.
How to Fix It
- Restart Steam: Close the Steam client completely and then reopen it to check if the error persists.
- Check System Date and Time: Ensure that your computer's date and time settings are correct, as incorrect settings can affect your connection to Steam servers.
- Run Steam as Administrator: Right-click on the Steam shortcut and select "Run as Administrator" to provide the necessary permissions for the update process.
- Clear Download Cache: In Steam, go to "Settings," click on "Downloads," and select "Clear Download Cache." Confirm the action and log back into Steam.
- Disable Antivirus/Firewall: Temporarily disable your antivirus software or firewall, as they may interfere with Steam downloads. Be sure to re-enable them afterward.
- Reset Windows Cryptographic Service: Press Windows Key + R, type "services.msc" and hit Enter. Find the “Cryptographic Services,” right-click on it, and select "Restart."
- Check Disk for Errors: Run "chkdsk" to check for file system errors that may impact Steam operations. Open Command Prompt as Administrator and type "chkdsk /f" followed by your drive letter (e.g., C:).
- Reinstall Steam: If none of the above solutions work, consider uninstalling and reinstalling the Steam client. Make sure to back up your game files before proceeding.
Disclaimer: This is an educational guide. We are not responsible for data loss. Always backup your system.