Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Sync 1.6 update won't install

  • 3 பதிலளிப்புகள்
  • 6 இந்த பிரச்னைகள் உள்ளது
  • 6 views
  • Last reply by moreglia

I have Sync 1.5.1 running on Windows 7/64bit machine, running Firefox 3.6.3 When I try to update Sync, I get:

"Firefox could not install the file at

http://releases.mozilla.org/pub/mozilla.org/addons/10868/firefox_sync-1.6.1-fx+fn+sm.xpi

because: Invalid file hash (possible download corruption) -261"

I have Sync 1.5.1 running on Windows 7/64bit machine, running Firefox 3.6.3 When I try to update Sync, I get: "Firefox could not install the file at http://releases.mozilla.org/pub/mozilla.org/addons/10868/firefox_sync-1.6.1-fx+fn+sm.xpi because: Invalid file hash (possible download corruption) -261"

All Replies (3)

I have third party cookies enabled, and I still get this message.

I did have 3rd party cookies enabled. Today the update succeeded without error (after about the 10th try).