Thunderbird versions: 128 esr and 131 (both exhibit this problem). OS: Windows 10. Issue: Thunderbird freezes when trying to save all attachments. This occurs when using "Save All". The dialog box to select the folder appears and then Thunderbird stops responding. "Not Responding" appears in the dialog box title. Windows then pops up a dialog offering to close the program or wait for it to respond (which it never does). No crash report is generated. Note: 1. This issue does not occur when using "Save As..." and saving the attachments individually. 2. This does not occur when dragging attachments (all, or individually) to the Desktop or to other folders 3. This seems to occur independent of the types of the attachments. Is this a bug or is there a way to fix this?