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UNINSTALLHELPS.COM




HOW TO UNINSTALL O&O DEFRAG PROFESSIONAL?

Are you in need of uninstalling O&O Defrag Professional to fix some problems?
Are you looking for an effective solution to completely uninstall it and
thoroughly delete all of its files out of your PC? No worry! This page provides
detailed instructions on how to completely uninstall O&O Defrag Professional.


POSSIBLE PROBLEMS WHEN YOU UNINSTALL O&O DEFRAG PROFESSIONAL

* O&O Defrag Professional is not listed in Programs and Features.
* You do not have sufficient access to uninstall O&O Defrag Professional.
* A file required for this uninstallation to complete could not be run.
* An error has occurred. Not all of the files were successfully uninstalled.
* Another process that is using the file stops O&O Defrag Professional being
uninstalled.
* Files and folders of O&O Defrag Professional can be found in the hard disk
after the uninstallation.


O&O Defrag Professional cannot be uninstalled due to many other problems. An
incomplete uninstallation of O&O Defrag Professional may also cause many
problems. So, it's really important to completely uninstall O&O Defrag
Professional and remove all of its files.


HOW TO UNINSTALL O&O DEFRAG PROFESSIONAL COMPLETLEY?


RECOMMENDED METHOD: QUICK WAY TO UNINSTALL O&O DEFRAG PROFESSIONAL


METHOD 1: UNINSTALL O&O DEFRAG PROFESSIONAL VIA PROGRAMS AND FEATURES.


METHOD 2: UNINSTALL O&O DEFRAG PROFESSIONAL WITH ITS UNINSTALLER.EXE.


METHOD 3: UNINSTALL O&O DEFRAG PROFESSIONAL VIA SYSTEM RESTORE.


METHOD 4: UNINSTALL O&O DEFRAG PROFESSIONAL WITH ANTIVIRUS.


METHOD 5: REINSTALL O&O DEFRAG PROFESSIONAL TO UNINSTALL.


METHOD 6: USE THE UNINSTALL COMMAND DISPLAYED IN THE REGISTRY.


METHOD 7: UNINSTALL O&O DEFRAG PROFESSIONAL WITH THIRD-PARTY UNINSTALLER.


METHOD 1: UNINSTALL O&O DEFRAG PROFESSIONAL VIA PROGRAMS AND FEATURES.

When a new piece of program is installed on your system, that program is added
to the list in Programs and Features. When you want to uninstall the program,
you can go to the Programs and Features to uninstall it. So when you want to
uninstall O&O Defrag Professional, the first solution is to uninstall it via
Programs and Features.

Steps:


A. OPEN PROGRAMS AND FEATURES.

Windows Vista and Windows 7

Click Start, type uninstall a program in the Search programs and files box and
then click the result.



Windows 8, Windows 8.1 and Windows 10

Open WinX menu by holding Windows and X keys together, and then click Programs
and Features.




B. LOOK FOR O&O DEFRAG PROFESSIONAL IN THE LIST, CLICK ON IT AND THEN CLICK
UNINSTALL TO INITIATE THE UNINSTALLATION.




METHOD 2: UNINSTALL O&O DEFRAG PROFESSIONAL WITH ITS UNINSTALLER.EXE.

Most of computer programs have an executable file named uninst000.exe or
uninstall.exe or something along these lines. You can find this files in the
installation folder of O&O Defrag Professional.

Steps:


A. GO TO THE INSTALLATION FOLDER OF O&O DEFRAG PROFESSIONAL.


B. FIND UNINSTALL.EXE OR UNINS000.EXE.




C. DOUBLE CLICK ON ITS UNINSTALLER AND FOLLOW THE WIZARD TO UNINSTALL O&O DEFRAG
PROFESSIONAL.


METHOD 3: UNINSTALL O&O DEFRAG PROFESSIONAL VIA SYSTEM RESTORE.

System Restore is a utility which comes with Windows operating systems and helps
computer users restore the system to a previous state and remove programs
interfering with the operation of the computer. If you have created a system
restore point prior to installing a program, then you can use System Restore to
restore your system and completely eradicate the unwanted programs like O&O
Defrag Professional. You should backup your personal files and data before doing
a System Restore.

Steps:


A. CLOSE ALL FILES AND PROGRAMS THAT ARE OPEN.


B. ON THE DESKTOP, RIGHT CLICK COMPUTER AND SELECT PROPERTIES. THE SYSTEM WINDOW
WILL DISPLAY.


C. ON THE LEFT SIDE OF THE SYSTEM WINDOW, CLICK SYSTEM PROTECTION. THE SYSTEM
PROPERTIES WINDOW WILL DISPLAY.




D. CLICK SYSTEM RESTORE AND THE SYSTEM RESTORE WINDOW WILL DISPLAY.




E. SELECT CHOOSE A DIFFERENT RESTORE POINT AND CLICK NEXT.




F. SELECT A DATE AND TIME FROM THE LIST AND THEN CLICK NEXT. YOU SHOULD KNOW
THAT ALL PROGRAMS AND DRIVERS INSTALLED AFTER THE SELECTED DATE AND TIME MAY NOT
WORK PROPERLY AND MAY NEED TO BE RE-INSTALLED.




G. CLICK FINISH WHEN THE "CONFIRM YOUR RESTORE POINT" WINDOW APPEARS.




H. CLICK YES TO CONFIRM AGAIN.




METHOD 4: UNINSTALL O&O DEFRAG PROFESSIONAL WITH ANTIVIRUS.

Nowadays, computer malware appear like common computer applications but they are
much more difficult to remove from the computer. Such malware get into the
computer with the help of Trojans and spyware. Other computer malware like
adware programs or potentially unwanted programs are also very difficult to
remove. They usually get installed on your system by bundling with freeware
software like video recording, games or PDF convertors. They can easily bypass
the detection of the antivirus programs on your system. If you cannot remove O&O
Defrag Professional like other programs, then it's worth checking whether it's a
malware or not. Click and download this malware detect tool for a free scan.


METHOD 5: REINSTALL O&O DEFRAG PROFESSIONAL TO UNINSTALL.

When the file required to uninstall O&O Defrag Professional is corrupted or
missing, it will not be able to uninstall the program. In such circumstance,
reinstalling O&O Defrag Professional may do the trick. Run the installer either
in the original disk or the download file to reinstall the program again.
Sometimes, the installer may allow you to repair or uninstall the program as
well.


METHOD 6: USE THE UNINSTALL COMMAND DISPLAYED IN THE REGISTRY.

When a program is installed on the computer, Windows will save its settings and
information in the registry, including the uninstall command to uninstall the
program. You can try this method to uninstall O&O Defrag Professional. Please
carefully edit the registry, because any mistake there may make your system
crash.

Steps:


A. HOLD WINDOWS AND R KEYS TO OPEN THE RUN COMMAND, TYPE IN REGEDIT IN THE BOX
AND CLICK OK.




B. NAVIGATE THE FOLLOWING REGISTRY KEY AND FIND THE ONE OF O&O DEFRAG
PROFESSIONAL:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall


C. DOUBLE CLICK ON THE UNINSTALLSTRING VALUE, AND COPY ITS VALUE DATA.




D. HOLD WINDOWS AND R KEYS TO OPEN THE RUN COMMAND, PASTE THE VALUE DATA IN THE
BOX AND CLICK OK.


E. FOLLOW THE WIZARD TO UNINSTALL O&O DEFRAG PROFESSIONAL.


METHOD 7: UNINSTALL O&O DEFRAG PROFESSIONAL WITH THIRD-PARTY UNINSTALLER.

The manual uninstallation of O&O Defrag Professional requires computer know-how
and patience to accomplish. And no one can promise the manual uninstallation
will completely uninstall O&O Defrag Professional and remove all of its files.
And an incomplete uninstallation will many useless and invalid items in the
registry and affect your computer performance in a bad way. Too many useless
files also occupy the free space of your hard disk and slow down your PC speed.
So, it's recommended that you uninstall O&O Defrag Professional with a trusted
third-party uninstaller which can scan your system, identify all files of O&O
Defrag Professional and completely remove them. Download this powerful
third-party uninstaller below.

Download O&O Defrag Professional Auto Uninstaller
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My game refused to reinstall after I uninstalled it from my laptop. And I was
told to completely uninstall it from the computer first. And I googled it and
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Great! I can easily uninstall my software now and there is no folder of the
software left in my hard drive. Thanks for your instruction!
---Henry P, UK


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