Recent Articles
Frequent re-authentication: requiring credentials to be entered again (popup window) or app is losing credentials
If you encounter an error such as the below... AADSTS70043: The refresh token has expired or is invalid due to sign-in frequency checks by conditional access. The token was issued on 2025-10-13T12:59:49.3759371Z and the maximum allowed lifetime for ...
Microsoft Authentication - Login Loop
We have seen some reports where certain browser configuration or OS configurations or Office 365 configurations results in a login loop wherein you enter your username and password in the browser but you are taken back to the login screen. This isn't ...
The sync state generation is not found
If you receive an error similar to the below when trying to run a download session... The sync state generation is not found; generation=17;[highest=31][31][29][30] ...this means that the program can no longer use New messages only option to download ...
Where are settings stored and how do I backup those settings?
Mail Attachment Downloader PRO Client or PRO Server Manual settings copy: All settings are usually stored in the %AppData%\MAD folder (open this in explorer or if you used command line args to specify a different folder, in that folder). If ...
Side-by-side error running program or service
FIX: Latest build v3.3 1012+ has a fix for this. If you are on an earlier build, please upgrade to the latest. WORKAROUND: If you prefer to stay on the same version/build, the workaround is uninstalling and re-installing the program. You will not ...