Startup program entry details:

osCheck (osCheck.exe)

This page expands upon the information already available for this entry in the Pacman's Portal Windows start-up programs database.

User's choice - depends whether a user deems it necessary

For further information on how to identify and disable startup programs please visit the Introduction page.

Description:

Part of older versions of Symantec's security products including Norton 360, Norton Internet Security, Norton AntiVirus and the now discontinued Norton SystemWorks suite. Checks at boot-time to see if you are still using the same OS as your last Windows session and terminates if you are. If Windows has been upgraded it will attempt to download the relevant updates for the new OS on the first reboot

Startup information:

Registry (Start → Run → regedit)

• Key(s): HKLM\Run
• Name: osCheck
• Data: O4 - HKLM\..\Run: [osCheck] "C:\Program Files\Norton 360 Premier Edition\osCheck.exe"

MSConfig (Start → Run → msconfig → Startup)

• Startup Item (XP): N/A
• Startup Item (Vista/7): N/A
• Command: O4 - HKLM\..\Run: [osCheck] "C:\Program Files\Norton 360 Premier Edition\osCheck.exe"

Windows Defender (Start → All Programs → Windows Defender → Tools → Software Explorer)

• Name:
  • Norton 360
  • Symantec Shared Component
• Startup Value: O4 - HKLM\..\Run: [osCheck] "C:\Program Files\Norton 360 Premier Edition\osCheck.exe"

Log examples:

O4 - HKLM\..\Run: [osCheck] "C:\Program Files\Norton 360 Premier Edition\osCheck.exe"
O4 - HKLM\..\Run: [osCheck] "C:\Program Files\Norton 360\osCheck.exe"
O4 - HKLM\..\Run: [osCheck] "c:\Program Files (x86)\Norton 360\osCheck.exe"
O4 - HKLM\..\Run: [osCheck] "C:\Program Files\Norton AntiVirus\osCheck.exe"
O4 - HKLM\..\Run: [osCheck] "C:\PROGRA~1\Symantec\osCheck.exe"
O4 - HKLM\..\Run: [osCheck] "C:\Arquivos de programas\Norton 360\osCheck.exe"
O4 - HKLM\..\Run: [osCheck] "C:\Programas\Norton Internet Security\osCheck.exe"
O4 - HKLM\..\Run: [osCheck] "C:\Programmi\Norton Internet Security\osCheck.exe"

Other information:

• File location: %FilePath%
• File properties "Description": N/A
• Purpose: OS upgrade check
• Program disable option: None
• Shortcut(s) available: None
• Vendor/Publisher: Symantec Corporation
• Product(s): Norton 360, Norton SystemWorks, Norton Internet Security, Norton AntiVirus
• Tested: Yes

Note:

• %FilePath% - refers to the location where the file is stored
• HKLM refers to HKEY_LOCAL_MACHINE

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