![]() ![]() Instead of the Workaround mentioned in the knowledge base article GnuPG provides you with the option to set the Home directory as part of the command. See the Knowledge Base article Or This technet discussion ![]() GnuPG as a result is unable to find the Keys or configuration in the directory Windows provides. (If you launch it with system privileges it is another place altogether). When launched from the Task Scheduler %APPDATA% is not always set to the correct users directory. GnuPG uses (as suggested by Microsoft and usual) %APPDATA%\gnupg to store data on Windows. Windows > 8 and Server 2012 Task Scheduler Problems ![]() On the bottom there is a drop down menu for the active GnuPG Profile.Get a VS-NfD-compliant version of Gpg4win called GnuPG VS-Desktop.There are two options to solve this issue: This error is shown when you use a version of Gpg4win which is not compliant to VS-NfD while the VS-NfD mode is activated. Close the dialog with OK (you don't need to change the actual expiry date).Ĭan't sign files anymore Possible Reason: Activated VS-NfD mode.Open the edit expiry dialog (the pen button next to the expiry date).In Kleopatra double click your key to open the details window.Update key to ensure MDC is used even by older versions gpg -r "recipient_keyid_1" -r "recipient_keyid_2" -encrypt "path_to_your_file"Īlternatively only using Kleopatra you can also decrypt it with Gpg4win-3.1.1 and then encrypt it again after your key has been updated to ensure MDC is used (see below) To decrypt it, even without an MDC, open the command line (see below for additional hints) and decrypt your file like: gpg -ignore-mdc-error -decrypt "path_to_your_file"Īdditionally to decrypting this will list the keyids of the recipients of that message, which you can then use in the command to re-encrypt the message. Afterwards it can be used as usual in Kleopatra and will be integrity protected. You can fix the error by re-encrypting it. Such new algo, no MDC, messages are supposed to be rare and might be an indication of broken / insecure software or configuration. For messages that were encrypted using modern algorithms but still don't use MDC there is a hard failure that will be shown in diagnostics. In that case you only need to click on the decrypt anyway button. Since Gpg4win-3.1.3 Kleopatra offers to decrypt such messages anyway if they were done using an old encryption algorithm. The reason for this was the public attention to attacks possible against messages without MDC with the publication of " EFail". Starting with Gpg4win-3.1.2 the MDC message integrity mechanism, which has been well established for over 15 years, is now enforced by GnuPG. Run Gpg4win as user, not as administrator.ĭecryption Failure with Gpg4win-3.1.2 or later.Things like a full harddrive or wrong filesystem permissions. Check general operating or usage issues.Precisely check the version numbers of components.Try to reproduce, sometimes a different installation or a different computer gives you an idea about the difference between a running and a problem case.When you face problems while trying to get a public key it can be helpful to use the dirmngr.There are many places where additional output can be found or enabled. Look at or activate and look at additional diagnostic output (see links at the top).And you sometimes get additional helpful messages. This way you can often exclude that the problem is within the frontend. If GUI frontend applications fail, try to do the operations on the command line.Note that if GpgEX/Kleopatra works, you have a fallback solution to just work via files and send them by attachment, so can can still use crypto, but with less comfort. If the problem is with GpgOL, try the operation with GpgEX or Kleopatra, to exclude Outlook's influence.Restoring corrupted Archives created by Kleopatra.Disable Gpg4win update check and notification.GpgOL: Not all attachments can be shown.Windows > 8 and Server 2012 Task Scheduler Problems.Update key to ensure MDC is used even by older versions.Decryption Failure with Gpg4win-3.1.2 or later. ![]()
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