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UltraDefrag 14

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Getting Started

Overview of UltraDefrag
UltraDefrag features
Frequently asked questions
Licensing terms and conditions
History and credits
Changelog

Ordering

How to order UltraDefrag
What are promotional codes and how to use them

Installation

Basic installation instructions
Portable edition instructions
Upgrade instructions
Automated installation

Basic Usage

First steps with UltraDefrag
One-click defragmentation of individual files and folders
Locked files defragmentation
Automatic defragmentation
Optimization of disks
Automatic sleep, hibernation or shutdown after the job completion

Settings

Settings dialog overview
General settings
Disk health monitoring settings
Disk cleanup settings
Defragmentation settings
Optimization settings
SSD settings
Automatic defragmentation settings
Appearance settings
Advanced settings

UltraDefrag CLI

First steps with UltraDefrag CLI
udefrag command
show-report command
bt command
setenv command
clearenv command
Batch script examples

Boot time interface

Boot time interface overview
Boot time commands
Boot time environment variables
Boot time script examples

Troubleshooting

How to find out what exactly is not working
How to send a bug report

Disk health monitoring settings

Last updated on Jan 16, 2026

On the Disk health tab of the settings dialog you can configure disk health monitoring and protection.

See Also

General settings
Disk cleanup settings
Defragmentation settings
Optimization settings
SSD settings
Automatic defragmentation settings
Appearance settings
Advanced settings

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