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Startup program entry details:

SmartDefrag (IObit SmartDefrag.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.


This is the original Smart Defrag disk defragmenter utility from IObit. Required if you use either of the "Auto Defrag" or scheduled options. Newer versions of Smart Defrag runs as a scheduled task - as do both versions on Windows 10/8/7/Vista. Note - in November 2009 IObit stole database information from Malwarebytes and others, see here

Startup information:

Registry (Start → Run → regedit)

MSConfig (Start → Run → msconfig → Startup)

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

Log examples:

O4 - HKLM\..\Run: [SmartDefrag] "C:\Program Files\IObit\IObit SmartDefrag\IObit SmartDefrag.exe" /StartUp
O4 - HKLM\..\Run: [SmartDefrag] "C:\Program Files (x86)\IObit\IObit SmartDefrag\IObit SmartDefrag.exe" /StartUp
O4 - HKLM\..\Run: [SmartDefrag] "C:\Archivos de programa\IObit\IObit SmartDefrag\IObit SmartDefrag.exe" /StartUp
O4 - HKLM\..\Run: [SmartDefrag] "C:\Programas\IObit\IObit SmartDefrag\IObit SmartDefrag.exe" /StartUp
O4 - HKLM\..\Run: [SmartDefrag] "C:\Programme\IObit\IObit SmartDefrag\IObit SmartDefrag.exe" /StartUp

Other information:


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