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Joerg Klaus
Joerg Klaus
Inspiring
September 18, 2025
Answered

Unable to connect to the Adobe update server. Error 105

  • September 18, 2025
  • 4 replies
  • 2222 views

Hello,

 

I haven't been able to update my Acrobat for about two weeks. I keep getting this error message (see screenshot):

Unable to connect to the Adobe update server. Check that you are connected to the internet and try again.
Error: 105

 

I've tried everything, like using the Adobe Limited Access Repair Tool, resetting the hosts file, and disabling the Mac Firewall.

NOTHING, absolutely nothing, this window keeps popping up.

 

Yesterday I completely reinstalled another Mac. And here, too, I can't update Acrobat. This window pops up.

 

Yes, I have internet, otherwise I wouldn't be able to publish this article.

 

What is this? It only affects Acrobat. I can update all the other apps.

 

Thanks

Joerg

    Correct answer Jeffrey_A_Wright

    @Jeffrey_A_Wright  I'm slowly losing the ability to respond sarcastically. 


    Like @adam_0306  and all the others, there's error 105. And as it turns out, we are not the only ones with Error 105. It started happening to me at the beginning of September. I have a CC subscription. And on two computers—sorry, I only have two Macs—I'm getting Error 105.

    The second computer was also completely reconfigured.

     

    I've tried all sorts of fixes, from dhpim.db to changing my internet connection. The error is still there. Even after manually installing the update, Error 105 is still there. And like I said, I'm not the only one with this. SO IT HAS TO BE A BUG. And Adobe should make an effort to fix this, and as soon as possible. We all pay a lot of money for the CC subscription. Apps are simply taken off the market. Apps don't work properly, and we're supposed to waste our time on some useless fixes. It's still a mystery to me why Acrobat isn't updated via CC; it's the only program that has its own updater.
    Please, please, please fix it and provide us with decent software.


    Thanks, @Joerg Klaus, I can also confirm that you have an active subscription, but you have not reached out to us about the current error you are experiencing. I would encourage you to click on https://helpx.adobe.com/contact.html?rghtup=autoOpen to speak with a member of our team and have a support case opened. You can use the steps listed at https://helpx.adobe.com/x-productkb/policy-pricing/customer-support-portal.html to review and update the status of your support case. 

     

    Most of the other participants of these discussions either have a free license or have a subscription and device managed by an organization. Due to the nature of the error, it could be by design, so I would encourage each of you to work with your IT department or whoever manages your devices. They may need to apply the necessary update with an elevated account. You are also welcome to start a separate discussion in the Enterprise & Teams discussion forum at https://community.adobe.com/t5/enterprise-teams/ct-p/ct-enterprise-and-teams?page=1&sort=latest_replies&filter=all&lang=all&tabid=discussions.

    4 replies

    N
    nohi79
    Inspiring
    September 22, 2025

    I'm having the same problem on several Macs in my company. The problem started at the beginning of September 2025. I've completely reinstalled several computers, but the error message still appears when updating Acrobat, both Acrobat Reader and Acrobat Pro.
    Please fix this problem as soon as possible, as it means that clients can no longer receive security updates. Manually downloading updates cannot be a permanent solution.
    PS: Updates for other Adobe applications work without any problems!

     

     

      N
      nohi79
      Inspiring
      September 22, 2025

      @Jeffrey_A_WrightThis is not an isolated issue; you are currently experiencing a global problem. Please escalate this issue and prioritise fixing the error.

        Jeffrey_A_Wright
        Community Manager
        Jeffrey_A_WrightCommunity Manager
        Community Manager
        September 22, 2025

        I appreciate that many people may be encountering this error, @nohi79 . I see that your subscription is managed by an organization. Please don't hesitate to start a new public discussion in the Enterprise and Teams community at https://community.adobe.com/t5/enterprise-teams/ct-p/ct-enterprise-and-teams?page=1&sort=latest_replies&filter=all&lang=all&tabid=discussions

         

        For future viewers of this discussion, if the computer, device, or subscription is managed by an organization, then this public discussion is not relevant to you. If you have an individual subscription and the suggestions offered at https://community.adobe.com/t5/download-install-discussions/installation-error-105/m-p/13450836#M565336 are not successful, then click on https://helpx.adobe.com/contact.html?rghtup=autoOpen to speak directly with a member of our team so the cause of the error can be investigated.

         

        For more information on where to find help on a variety of download and install-related topics, please see https://community.adobe.com/t5/download-install-discussions/download-and-install-community-guide/td-p/14319477.

        aw.654785654
        aw.654785654
        Participant
        September 22, 2025

        I have the same issue, error 105 after checking for updates... Just Adobe Acrobat, OSX, iMac. No VPN, No Proxy, No Antivir and other networks tools. Other updates from Creative CLouds work fine.
        I use this link for manually update, but Acrobat still displays error 105 after the update.
        https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html?linkId=100000383142636

         

        kglad
        Community Expert
        kgladCommunity Expert
        Community Expert
        September 22, 2025

        see if this helps (though it's for installs) https://community.adobe.com/t5/download-install-discussions/installation-error-105/m-p/13450836#M565336

          A
          adam_0306
          Participating Frequently
          September 22, 2025

          no, I am not able to resolve it this way. I am unrestricted user with admin privilegs. Even uninstalled acrobat with all folder/files containing "adobe" or "acrobat" and so on including the db file you mentioned in attached link. No result

          Haven't you thought - adobe - that instead of encouraging users to make risky attempts, you should fix your program?

          A
          adam_0306
          Participating Frequently
          September 19, 2025

          same thing here, error 105. EVERYTHING is up to date, all programs are working fine, the only exeption is this "adobe acrobat". Reading those "suggestions" from support among other things "to check internet connetcions", "to create new profile" -I'll spare you the comment, anyway, I'm speechless.... no comment. Mr Amal from adobe, I would suggest to check your programm which is working incorrectly. We have the same problem as Joerg, on all 5 machines

          Mac OS 26 previosuly (last week) sequoia 15.1 -> the same error.

          I would suggest adobe to come down to earth and stop daydreaming, because you are not changing the world, you are not visionaries, and you are taking up the time of our lives

            A
            adam_0306
            Participating Frequently
            September 20, 2025

            philosophers from adobe, any progress ? I am connected to internet 🙂 but it does not resolve our problems

            Ia sending you today's fresh communicate 🙂 

              Amal.
              Community Manager
              Amal.Community Manager
              Community Manager
              September 18, 2025

              Hi there,

               

              Hope you are doing well and thanks for sharing the details.

               

              Error 105 usually points to a connection issue, specifically between Acrobat and the Adobe update servers, even if the rest of your internet works fine. Since you’ve already tried the common fixes (Limited Access Repair Tool, hosts file reset, firewall settings, and even a full reinstall), that rules out most local issues.

               

              A couple of things you can still try:

              1. Check Proxy/VPN settings: If you’re on a network that uses a proxy, VPN, or certain security software, Acrobat might not be able to reach Adobe’s update server. Try turning those off temporarily to see if the update goes through.

               

              2. Manual update: Instead of the in-app updater, download and install the latest patch directly from here https://adobe.ly/3Kcz13Y 

               

              3. Keychain/Certificates: On macOS, outdated or missing root certificates can block Acrobat from verifying Adobe’s servers. Make sure your system is fully updated, and check if any certificate warnings appear in Keychain Access.

               

              4. Try another network: If possible, connect your Mac to a different Wi-Fi or mobile hotspot and see if the update works. This can help confirm whether it’s a local network restriction.

               

              Let us know how it goes.

               

              ~Amal

              Joerg Klaus
              Joerg KlausAuthor
              Inspiring
              September 18, 2025

              Hi Amal,

               

              I've tried all your suggestions, and only suggestion 2, the direct manual download, worked.

               

              But Acrobat still displays error 105 after the update.

              All other updates for other CC Apps work; at least, they did a few days ago. I don't know if there have been any updates yet.

               

              Joerg

               

                Amal.
                Community Manager
                Amal.Community Manager
                Community Manager
                September 19, 2025

                Hi there 

                 

                We are sorry to hear that the issue still exists. 

                 

                Please try to create a new test user profile with full admin rights in Win or enable the root account in MAC, try using the application there, and check. Also, if it's an IT-managed work computer, please try to contact your IT admin for further investigation. 

                 

                ~Amal

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