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FIX Encryption Credentials Have Expired on Mac (Printer Issue)

October 28, 2020 By Norbert Webb 14 Comments

Encryption Credentials Have Expired is directly connected to those “* will damage your computer” pop-ups

Contents

  • Encryption Credentials Have Expired is directly connected to those “* will damage your computer” pop-ups
  • Fix Encryption Credentials Have Expired when Printing on Mac
    • 1 Method. Uninstall printer drivers and use native AirPrint driver
    • Method 2. Use AirPrint instead of Secure AirPrint

Encryption Credentials Have Expired is an alert in Mac OS X that informs about Embedded Web Server (EWS) expired certificates which are rejected by the operating system. As a result, the users are unable to print any documents using their HP, DELL, Canon, Epson or other manufacturer printers, with a message “This printer no longer accepts encrypted jobs”. The certificates are required to ensure connection security when using Secure Internet Printing Protocol (IPPs) and Apple’s technology AirPrint. Moreover, users might start getting “* will damage your computer” alerts, which appear because the computer system cannot recognise the printer driver software as secure.

In this guide, we will explain how to fix Encryption Credential Expired error. What is more, you will get rid of “* will damage your computer” alerts.

how to fix Encryption Credentials have expired on Mac printers
Guide on fixing Encryption Credentials Have Expired on Mac printers (unable to print error).

Fix Encryption Credentials Have Expired when Printing on Mac

1 Method. Uninstall printer drivers and use native AirPrint driver

If Encryption Credentials Expired error prevents you from printing on Mac, you should delete the printer from the printer’s list and also try to create a new certificate for it. This method reportedly works no matter the manufacturer of the printer – be it Canon, Toshiba, HP, Dell, or others.

Many Mac users have noticed that they are unable to print via their HP printers recently; the one to blame is actually Apple, who revoked HP printer driver’s software’s certificate via XProtect. The issue also might occur for certain printers after updating the operating system version.

XProtect (alternatively known as File Quarantine) is known as a mechanism that Apple uses to inform computers about no longer trustworthy programs. From certain point of view, it can be called Mac’s anti-malware system.

The “trustworthiness” is determined by adding or revoking application code-signing certificates. It appears that the computer giant has revoked HP’s certificate recently, causing problems for thousands of users worldwide. To be precise, the majority of affected users seem to be running Cataline or Mojave OS X.

In order to fix the issue, we suggest following the given steps:

  1. While on Desktop, click Go > Go to Folder…mac go to folder function
  2. Here, type /Library/Printers/ and press Go.
  3. Right-click the hp folder (or another manufacturer’s folder, such as Canon) and choose Move to Bin. The system may ask to enter your password to continue.
    move hp folder to bin to delete old drivers
  4. Now, click the Apple icon in the top-left corner of your screen, and choose System Preferences. Here, navigate to Printers & Scanners.
    navigate to mac printers and scanners in system preferences
  5. Here, find your printer’s name and double-click on it. Here, click Show Printer Web Page…
    show printer web page
  6. Now, click on Network tab > Advanced Settings, and click Certificates.
  7. Click Configure, then Create a New Self-Signed Certificate and click Next.
  8. Hit Finish to complete. The created certificate will be valid for 10 years. Close the EWS window now.
  9. Go back to Printers & Scanners. Right-click your printer and choose Reset printing system…
    reset hp printing system on mac
  10. Now, click the + icon to re-add the printer you just removed.
  11. Your printer should appear on the window automatically. Select Use: Secure AirPrint for it. Press Add to continue.
    add hp printer back to mac printers and scanners list

That’s it! You should now be able to print using your HP printer on Mac again, and you shouldn’t run into Encryption Credentials Have Expired message or * will damage your computer message again.

Method 2. Use AirPrint instead of Secure AirPrint

If the first method didn’t help you out, you can try an alternative one that has proved to be efficient for many Mac users. Warning: this method exposes you to security risks, because traffic going to your printer won’t be encrypted (which means if attackers at that particular moment try, they might be able to view information you’re transferring to your printer). We suggest using this only as a temporary fix for Encryption Credentials Have Expired if you need something printed immediately.

To implement this fix, do the following:

  1. Click the Apple icon in the top-left corner of your screen, and open System Preferences. Here, go to Printers & Scanners.
    navigate to mac printers and scanners in system preferences
  2. Right-click the printer and choose Reset printing system… to remove existing printers.
    reset hp printing system on mac
  3. Now, click the + icon to re-add the printer you just removed.
  4. The printer should appear on the window automatically. Select Use: AirPrint instead of Secure AirPrint for it. Press Add to continue.
    use airprint to re-add printer to mac

This should fix the issue. However, if you notice that you’re still encountering * will damage your computer. You should move it to Trash after fixing the printing issue, we strongly recommend you to read this guide. Additionally, to solve various security-related issues, we strongly encourage you to try Malwarebytes Premium for Mac.

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That’s it! We hope that our methods to fix Encryption Credentials Have Expired on Mac were helpful. If you have discovered another fix, do not hesitate and share it with our community in the comments section below.

norbert webb author at geeksadvice.com
Norbert Webb

Norbert Webb is the head of Geek’s Advice team. He is the chief editor of the website who controls the quality of content published. The man also loves reading cybersecurity news, testing new software and sharing his insights on them. Norbert says that following his passion for information technology was one of the best decisions he has ever made. “I don’t feel like working while I’m doing something I love.” However, the geek has other interests, such as snowboarding and traveling.

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Filed Under: Fix Tagged With: Mac

Reader Interactions

Comments

  1. Allison says

    February 1, 2022 at 9:01 pm

    Thank you. I have been trying so many different ways to fix this problem, 3 days worth of fixes and nothing. this worked. Thank you!

    Reply
  2. caitlin says

    December 22, 2021 at 4:20 am

    This is bananas! I have a brand new Mac Book Pro (2021) and my HP printer would not work and kept giving me the “expired credentials” message after trying everything. Option #1 worked like a charm. THANK YOU!

    Reply
    • Main Geek says

      December 22, 2021 at 8:15 am

      Glad we could help!

      Reply
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