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

Lolu chungechunge lwabekwa kunqolobane. Uyacelwa ubuze umbuzo omusha uma udinga usizo.

I have tried to update Firfox 5.0 to 6.0 and I get a message "publisher couldn't be verified. When I tried to open a full copy of 6.0 I get a message. "file corrupt. Can you give me any suggestions?

more options

I tried to update two laptops with the same results. I am told that the file is corrupt when trying to install the full version. I am told that the publisher could not be verified when I try to update from version 5.0 and when I continue to upgrade, I am informed that the file is corrupt.

I am running Norton Internet Security.

I tried to update two laptops with the same results. I am told that the file is corrupt when trying to install the full version. I am told that the publisher could not be verified when I try to update from version 5.0 and when I continue to upgrade, I am informed that the file is corrupt. I am running Norton Internet Security.

Isisombululo esikhethiwe

Download latest Firefox version from one of these links:

Uninstall your current Firefox

Installing Firefox on Windows (use the Downloaded latest Firefox installer)

Check and tell if its working.

Funda le mpendulo ngokuhambisana nalesi sihloko 👍 1

All Replies (2)

more options

Isisombululo Esikhethiwe

Download latest Firefox version from one of these links:

Uninstall your current Firefox

Installing Firefox on Windows (use the Downloaded latest Firefox installer)

Check and tell if its working.

more options

Uninstalling Firefox and then deleting the Mozilla directory and downloading and installing the full version 6.0 worked. Thank you for your help.