Install, Activate, Launch

How can I activate Dragonfly on a computer offline?
If your computer is not connected to internet, we can pre-activate your license keys and send you back a set of offline keys which can activate your Dragon...
Wed, 16 Dec, 2020 at 4:44 PM
How can I activate Dragonfly on Windows?
1. How can I activate the trial version of Dragonfly?  If you have installed Dragonfly on a computer for the first time, it will get activated immedi...
Thu, 22 Apr, 2021 at 5:02 PM
Conflict with Dell Backup and Recovery
As of Dragonfly 3.1, if you encounter immediate crashes when starting Dragonfly, and you're running on a Dell computer, you may be experiencing a known ...
Thu, 16 Apr, 2020 at 1:33 PM
Error 5 during license activation
Dragonfly users occasionally encounter the error code 5 when activating the program: Error 5 means "access denied", indicating that you don&...
Mon, 6 Jul, 2020 at 3:43 PM
Conflict with mkl_intel_thread.dll
When starting Dragonfly on Windows, you may run into an error message looking like this (the path may differ of course): The ordinal 191 could not be lo...
Thu, 6 Aug, 2020 at 11:41 PM
Dragonfly Installation Manual
Here is the Installation Guidance for Dragonfly:
Wed, 10 Mar, 2021 at 10:14 AM
What should I do if Dragonfly doesn't launch properly and doesn't create a log file?
When Dragonfly doesn't launch properly, we usually ask to send us all files of the form Application*.log, which are normally found in %localappdata%...
Wed, 14 Jul, 2021 at 10:49 AM
Windows N Editions
People running a flavor of Windows N will run into issues with Dragonfly. After installing the application, it will not start, indicating that some DLLs are...
Mon, 17 Jun, 2024 at 7:52 AM
Installer shows "Error while opening file for writing" messages
For example: that message indicates that another process is running and has those files open, preventing the installer from writing them. This ...
Wed, 3 Apr, 2024 at 11:29 PM
Migrating plugins to Dragonfly version 2024.1
Version 2024.1 of Dragonfly introduces a new version of Qt (and PyQt): 6.4. This means that PyQt code of user written plugins and additions must be migrated...
Sat, 6 Apr, 2024 at 8:49 AM