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Cannot uninstall smart defrag


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So I have recently upgraded from smart defrag 1.11 to 2. Unfortunately, doing this didn't uninstall 1.11 at all, so every time I boot up I still get popups telling me about the amazing new smart defrag 2, which I'm already running.

Trying to uninstall it nets me the following error message: 'The setup files are corrupted. Please obtain a new copy of the program'. So I got a new copy, reinstalled 1.11, and tried uninstalling it again.

What happened next was the following message: 'The uninstall log file "C:\Program Files\Iobit\IObitSmartDefrag\unins000.dat" is in a format not recognised by this version of the uninstaller. Cannot uninstall.'

I'd quite like to not have to keep getting the popups about upgrading to 2, so how do I go about removing 1?



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Hi Tharrick, welcome to IObit Forum.


Please Clean Install Smart Defrag 2.0.1 after reading Install-Uninstall-Reinstall-Upgrade to newer version post.


For uninstalling, you can use IObit Uninstaller downloading from IObit Uninstaller 2 Beta 1.0 is available!, or you can use IObit Uninstaller in IObit Toolbox downloadable from IObit Toolbox 1.2 is released., or Uninstaller in ASC4 downloadable from Advanced SystemCare 4 βeta 3.0 available! .


You can also use BitRemover downloadable from BitRemover 1.4.2




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