Picasa 3.9.138.150 For Windows [verified] Online

Picasa by default runs a background process ( PicasaMediaDetector.exe ) to watch for new photos. Disable it: In Picasa, go to Tools > Configure Picasa Photo Viewer and uncheck "Allow background monitoring" . Then, in Task Manager, disable the startup entry.

While the official final release was 3.9.141, the version is widely considered the most stable and feature-complete build for Windows 7, 8, 10, and even 11. Picasa 3.9.138.150 for Windows

Have questions about installing or using Picasa 3.9.138.150? Leave a comment below (or find active communities on Reddit’s r/picasa and the Vintage Software forum). Picasa by default runs a background process (

No other photo viewer lets you scroll through a folder of 500 raw images instantly. Picasa caches thumbnails aggressively. It is the only software that doesn't make you wait for a loading spinner. While the official final release was 3

Will it crash if you try to edit a 50MP file? Probably. Will it look dated? Yes—it still uses the Windows XP folder icons.