Iberia on-line check-in doesn’t work with free software
Apparently, there are still some 1990s-era websites which haven’t noticed that the web is not Windows. I realized this today when attempting to check in for an Iberia flight using my Ubuntu system and Firefox.
…and refuses to continue. After all, if you might not have Adobe Acrobat Reader installed, why bother trying to check in? I’m glad you asked. Because it’s not the only program capable of reading and printing PDF files!
You may have noticed that the message offers us some information, just in case the script got it wrong. Perhaps it tells us how to continue checking in despite having different application preferences than their developers? Unfortunately, no. Instead, it explains how to configure Windows to use Adobe Acrobat Reader as the default PDF viewer: