# Is there a need to stop running programs before defrags?

Discussion in 'backup, imaging & disk mgmt' started by sweater, Jul 4, 2006.

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1. ### sweaterRegistered Member

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Is it really necessary to stop all running programs in our system before we start the actual defragmentation process?

What's your technical opinion on this? Coz I defrag for more than a year now without ever trying to stop any running programs (antivirus, WinPatrol, ProcessGuard, etc...) but still my system works fine, and defragmented successfully..

2. ### ThunderZRegistered Member

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Stopping programs before defragging should give you a more complete defrag as no reading\writing to disk is being done, the files\folders of any program can not be defragged while in use. Just a suggestion, I have done it for years, run defrag in safe mode. Much easier then ending tasks individually with task manager. I have found that the XP defragger seems a bit more complete in its job. I really question if it is or if MS just "dumbed down" the post defrag report.

3. ### Peter2150Global Moderator

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Perfect Disk has no need for anything to be shut down. Moves files and folders just fine. Only thing I would do is shut down any real time scanners as they will try and check every file as it is accessed.

Pete

4. ### sweaterRegistered Member

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Run defrag in safe mode? I thought I could only use safe mode for uninstalling some "hard headed" programs and scanning with anti-virus, antispywares...

At present, I am using O&O Defrag v8.5 Pro. Is it safe and ok to use this defragger in safe mode? Coz there's no instructions in their help file in doing so...in safe mode...

5. ### ThunderZRegistered Member

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Do not know about O&O in safe mode. Sense a minimal set of drivers are installed when in safe mode O&O may not load\be able to run at all. But have used the MS defrag in safe mode for years.

6. ### Howard KaikowRegistered Member

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No.

Indeed that's impossible, as certain programs are always running.

ALL defrag programs use the defrag API provided by MSFT.
The only differences are:

1. THe user interface and options.
2. How they choose to layout the files.

Use a good defrag program such as Pefrect Disk.

7. ### LindburghRegistered Member

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I am so impatient that I could not wait for Defrag to finish and never have

However I use O&O and invariably leave it running when I go to bed

8. ### beetlejuice69Registered Member

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I use mstDefrag and its running continuously and keeping things running smooth.

9. ### WSFuserRegistered Member

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most defraggers (or, in fact, any program) that uses a service willl likely not run under safe mode. ive tried o&o and it doesnt run under safe mode.

contig + power defragmenter gui works nicely in safe mode tho.

and to answer ur original question, i do not shut down any programs, and the defrag runs ok. maybe i should shutdown some programs tho, O&O never quite hits 0.00% fragmention.

10. ### ThunderZRegistered Member

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Great program(s). Run the MS defrag in safe mode followed by the above mentioned in safe mode as well. Not quit 100% defragmented......but , when it doset cost me anything but a little time.... .....I can live with it.

11. ### MikeBCdaRegistered Member

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The only problem I've found with trying to defrag in safe mode (XP home) is that all kinds of errors get written to Events because drivers aren't loaded. I suspect this would also happen doing anything in safe mode.

12. ### FranklinRegistered Member

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Well if you can beat under 1 min smart placement defrags with Perfect Disk then don't listen to me.

Shutdown all running apps including explorer,with a blank desktop point to your defragger through taskmanager and go for it!

Not that I need to as I have only ZAP and Sandboxie running realtime and sill under a minute for smart placement defrags.