Startup program entry details:

CollaborationHost (p2phost.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:

Signs a user into the People Near Me feature at login in Windows 7 and Vista. People Near Me enables you to use certain peer-to-peer (P2P) programs on a network - that "identifies people nearby who are using computers and allows those people to send you invitations for programs such as Windows Meeting Space. They can only invite you to participate in programs that are installed on your computer." Available via Start → Control Panel

Startup information:

Registry (Start → Run → regedit)

• Key(s): HKCU\Run
• Name: CollaborationHost
• Data: C:\Windows\system32\p2phost.exe -s

MSConfig (Start → Run → msconfig → Startup)

• Startup Item (XP): N/A
• Startup Item (Vista/7): Microsoft® Windows® Operating System
• Command: C:\Windows\system32\p2phost.exe -s

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

• Name: Microsoft People Near Me
• Startup Value: C:\Windows\system32\p2phost.exe -s

HijackThis (HJT) log examples:

O4 - HKCU\..\Run: [CollaborationHost] C:\Windows\system32\p2phost.exe -s

Other information:

• File location: %System%
• File properties "Description": People Near Me
• Purpose: Peer-to-peer utility
• Program disable option: Right-click on System Tray icon → Properties → Settings → deselect "Sign me in automatically when Windows starts"
• Shortcut(s) available: Start Menu
• Vendor/Publisher: Microsoft Corporation
• Product(s): Windows Vista, Windows 7
• Tested: Yes

Note:

• %System% - refers to the System folder; by default this is C:\Windows\System (9x/Me), C:\Winnt\System32 (NT/2K), or C:\Windows\System32 (XP/Vista/7)
• HKCU refers to HKEY_CURRENT_USER

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