Versions

2.4.2617.4952.beta	72.68%
2.4.2432.1652.beta	4.57%
2.4.2166.3772.beta	0.12%
2.4.1970.7372.beta	0.25%
2.4.1636.7222.beta	0.12%
2.4.1441.4352.beta	0.12%
2.0.711.37800.beta	22.00%
2.0.711.37800.beta	0.12%

googleupdaterservice.exe has 8 known versions, the most recent one is 2.4.2617.4952.beta. It is started as a Windows Service called 'Google Software Updater' with the name 'gusvc' and described as “Google Updater keeps your Google software up to date. If Google Updater Service is disabled or stopped, your Google software will not be kept up to date, meaning security vulnerabilities that may arise cannot be fixed and features may not work.”. . In addition, it is run under the context of the SYSTEM account with extensive privileges (the administrator accounts have the same privileges). During installation the program adds a job to the Task Scheduler. The average file size is about 183.06 KB. It is an authenticode code-signed executable issued to Google Inc by the certification authority VeriSign. Numerous variations of googleupdaterservice.exe have been installed with both Picasa 2 and Picasa 3. During the process's lifecycle, the typical CPU resource utilization is less than 0.01% with the maximum memory reaching around 5.01 MB.

Google products use a process called Google Update to periodically check for updates. This process sends information, such as version number, language, operating system, and other installation or update-related details, back to Google servers. Google Updater is a Windows Service which runs in the background of Windows and automatically starts up when your PC boots. It checks for software udpates and automatically downloads and installs them if found.