Before the latest Snow Leopard upgrade (10.6.2) came along, I was able to designate Adobe Reader 9.2 as the default pdf viewer in Firefox 3.5.5. Now, even though I have Adobe Reader specified in Firefox Applications as the preferred pdf reader, it automatically defaults to Preview. Personally I like Preview, but the United States Postal Service specifies AR as the preferred pdf program for those who wish to purchase and print mailing labels on-line. Has anyone else encountered this problem. Is there any fix?

1. Mozilla Firefox For Mac Os X 10.6.8

Mozilla Firefox For Mac Os X 10.6.8

I'd even use Safari on the postal service site if I could set AR as the default pdf reader. Problem mysteriously resolved Thanks for your response. I just went to the USPS web site because I needed to purchase and print a mailing label.

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Sure enough, as in the past, when I clicked the 'Pay and Print' label, Adobe Reader opened and displayed the mailing label ready to be printed. I don't know what changed, but everything appears to be working fine again. Come the next time I need a mailing label, I'm going to change the Firefox Applications pdf reader default to Preview and see what happens. I tend to think it won't work, especially when the postal service specifies Adobe Reader as the software that is required.

Full Specifications General Publisher Publisher web site Release Date November 26, 2018 Date Added November 26, 2018 Version 64.0b12 Category Category Subcategory Operating Systems Operating Systems Mac Additional Requirements • macOS Mojave • macOS High Sierra • macOS Sierra • OS X El Capitan • OS X Yosemite • OS X Mavericks Download Information File Size 62.13MB File Name Firefox 64.0b12.dmg Popularity Total Downloads 121,733 Downloads Last Week 6 Pricing License Model Free Limitations Not available Price Free.