How to Reinstall Picasa 2
- 1). Navigate to the download page for Picasa 2 at Google, and click the blue "Download Picasa Now" button. Save the installation program to a location such as the desktop.
- 2). Double-click "picasaweb-current-setup.exe" when the download is complete.
- 3). Click "I Agree" after reading Google's software service terms.
- 4). Click the "Browse" button to select a destination folder for Picasa 2, or click "Install" to use the default destination of "C:\Program Files\Picasa2". The installation utility copies Picasa 2 to the selected folder and displays a window titled "Completing the Picasa 2 Setup Wizard."
- 5). Use the check boxes to indicate whether the Picasa setup utility should create shortcuts on the desktop and quick launch toolbar, and run automatically when the computer starts up.
- 6). Click "Finish" to complete the installation and launch Picasa 2.
Source...