My Mac is an OS X 10.4.11 powerbook. I use WordPress for my website. I use nexgen Gallery to upload photos. When things are working correctly, I choose the "Upload photos" option and when that page opens, I can click on "Browse" and a window should open allowing me to choose the folder or individual photos. This was working and suddenly, when I click "Browse" nothing happens. I did manage to change my settings to "Private Browsing" and as long as I have this setting I can upload images. But I used to be able to upload photos without changing the settings. What did I inadvertently change while uploading photos?