Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

חיפוש בתמיכה

יש להימנע מהונאות תמיכה. לעולם לא נבקש ממך להתקשר או לשלוח הודעת טקסט למספר טלפון או לשתף מידע אישי. נא לדווח על כל פעילות חשודה באמצעות באפשרות ״דיווח על שימוש לרעה״.

מידע נוסף

How is a backup completed when a ".zip" error terminates the process?

  • 2 תגובות
  • 1 has this problem
  • 6 views
  • תגובה אחרונה מאת user01229325
  • Archived

The backup process for Thunderbird almost completes, but fails due to "Zip file could not be opened" and "Warning: Backup's file isn't valid. Backup has failed." (The Firefox backup worked fine.)

MozBackup 1.4.10

The backup process for Thunderbird almost completes, but fails due to "Zip file could not be opened" and "Warning: Backup's file isn't valid. Backup has failed." (The Firefox backup worked fine.) MozBackup 1.4.10

כל התגובות (2)

I suggest you visit the Mozbackup author site and read the warning that the software is broken and he does not have time to fix is.

This tells you how to backup your profile. https://support.mozilla.org/en-US/kb/profiles-tb