Support Article

UltraDefrag features

UltraDefrag 9 comes with a great set of features intended to make your disk defragmentation experience as easy and pleasant as possible…

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How to send a bug report

You are always welcome to send us a bug report in case something is not working as advertised. We’ll do our best to investigate the case and fix the bug as soon as possible…

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How to find out what exactly is not working

To facilitate finding out what exactly is not working all the components of UltraDefrag generate debugging output during execution. Whenever a component encounters an error, it outputs an error message with a detailed explanation of what exactly went wrong…

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Boot time script examples

Check the following examples to learn how to perform typical boot time defragmentation tasks…

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Boot time environment variables

The boot time interface of UltraDefrag supports UltraDefrag CLI’s environment variables plus two additional variables: DATE, which displays the current date in the format YYYY-MM-DD, and TIME, which displays the current time in the format HH-MM…

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Boot time commands

The boot time interface of UltraDefrag supports a wide set of commands…

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Boot time interface overview

UltraDefrag includes a special boot time interface which purpose is to perform defragmentation and optimization of locked files during a system reboot, before Windows and applications fully load and lock the files…

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clearenv command

The clearenv command clears the UltraDefrag specific environment variables set by the setenv command…

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setenv command

The setenv command sets the UltraDefrag specific environment variables according to the user preferences…

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