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

I get a message that helper application does not exist when I try to open a jpg or excel files as attachments. I have associated use windows live photo gallery

more options

I have gone to Tools, Options, Attachments and there are programs associated that should be able to open the files - Windows Live Photo gallery for JPG files and Microsoft Excel for excel files. I have to actually download and save the files and then open them. Is there a fix for this?

I have gone to Tools, Options, Attachments and there are programs associated that should be able to open the files - Windows Live Photo gallery for JPG files and Microsoft Excel for excel files. I have to actually download and save the files and then open them. Is there a fix for this?

Chosen solution

Go back and delete those associations and start again by opening one of those files. Thunderbird will recreate the entries based on your choices and they will then probably work.

Read this answer in context 👍 3

All Replies (2)

more options

Chosen Solution

Go back and delete those associations and start again by opening one of those files. Thunderbird will recreate the entries based on your choices and they will then probably work.

more options

Thanks, Matt, I did as you suggested and now it works!