Comments for Is it safe to delete duplicate files?

Comment from DeRose on 2009-11-16

2009-11-16T08:50:23Z

There are some programmes for XP to find duplicate files. I wanted to delete music duplicate file I used the programme Delete duplicate files for such aim. It helped me. This program is not only for the music, but for all files. And now it is more free place on my PC :)

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Comment from Allan Cass on 2009-07-19

2009-07-19T19:22:27Z

You can try this FREE tool that was recently featured on PCMagazine and ZDNet it has protection for system files:
http://www.mindgems.com/products/Fast-Duplicate-File-Finder/Fast-Duplicate-File-Finder-About.htm - Fast Duplicate File Finder
Fast Duplicate File Finder will help you find fast all duplicate files in a folder and its sub folders.
The applications will compare the content of your files so it will find duplicates even if they are using different file names.
It uses fast binary comparison algorithm and has internal preview supporting a lot of image, video, music and text file formats.

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Comment from snail on 2009-06-23

2009-06-24T00:53:54Z

I agree with keeping out of system files and application files but I do need a streamlined setup for sifting through would be duplicates or candidates of redundant files.
For finding my duplicate files I like to have open on a large monitor a folder where each file is located(A original, and B...Z possible backups/redundant files).
I like to display as much info as possible but sometimes I compare folders and have not been able to display the size of folders without pressing Alt + enter(properties). There is other info I would like to see in order to more quickly glance at attributes and thumbnails to compare.
However, had I set out to organize user-made files into something like follows, I wouldn't have these problems: 1)Main hard drive, created file
2)backup(sequentially, noting date of amendments or revisions, deletions, moving, et cetera
3)reference for further organization, such as topics of commonality(use shortcuts??)

ORGANIZE

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Comment from Kim on 2009-06-21

2009-06-21T21:05:58Z

i found the safest duplicate file finder to find and remove duplicate files...

http://www.duplicate-finder-pro.com

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Comment from BRANDON on 2009-03-11

2009-03-12T03:33:29Z

If it's space you're looking for and duplicate files in your windows directories is the problem (especially dll's) a "clean install" is your best bet if you want to avoid headaches :)

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Comment from Bob D. on 2009-01-28

2009-01-28T16:40:15Z

I agree with the poster who advised buying a large disk. Disks have long been cheaper than lost files. Also, get an un-deleter program. If you un-delete before the deleted file's disk blocks are re-used, you can save much grief. I've used Vcom's Fix-It un-deleter a couple of times in the past few years, much to my relief. And please excuse my repeating the often-heard advice "BACK UP YOUR DISKS!" If you have a machine reserved for hacking, back up a full-disk image from your real-work machine, and then restore it to the hack machine, to be sure the cycle works. Then delete files from your real machine, if you like stress and hassle.

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Comment from Glenn P. on 2009-01-27

2009-01-27T19:09:10Z

To quote the tuna fish commercial, "Sorry, Charley." :)

Folks, Leo has said this MANY times before:

BACKUP your &@^($% computer before trying anything so radical! (Like, "Duh...?")

I use BootItNG, and I would make a full backup before doing anything like Charley did. It boots up before Windows does, and saves its files to an external drive, so if need be -- and provided only that the C: drive itself is still physically intact -- I can restore my computer to its full pristine Before-Disaster-State even if my entire Win XP Pro operating system is completely hosed.

It's the best insurance you could ever have, folks: an External Drive, BootItNG, and You. Mutato nomine de te fabula narratur.

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Comment from Charley on 2009-01-23

2009-01-24T05:16:27Z

Wish I had read this like 3 days ago. Downloaded a duplicate file finder, one highly rated by all review sites and consumer reviews. I did some duplicate file removing for a couple of days without a hitch. As confidence grew I decided to give it a real workout and check Windows and all it's subfolders for duplicates. As you can imagine there were over a thousand duplicates listed, some with five duplicates of the same file, or so I thought. Diligently began checking file against file, tried to get an answer as to which would be safest to delete, ie oldest, newest, longest, shortest, but found no information. Remembered that a program from Toni Arts suggested keeping oldest files, but I have been messing with this computer for so long it didn't help much. I told program to keep all hard links from being scanned and thought now I could go to it. Well here I sit 3 days and a gazillion hours later and am just now able to use the computer again. The questioer asking about couldn't I see operating system and stuff was being taken, of course not. I wasn't even deleting the files just sending them to recycle bin temporarily keeping location information with each file. Guess what, started the process and about three minutes into it the screen went black, computer tried to reboot and repeatedly tried to reboot until I stopped it. Could not run any of the boot options like safe boot or last good startup, nothing. Just kept saying starting Windows than shutdown and restart. Had to use Windows CD to try and start computer, but it couldn't repair my Windows installed on computer and had to load a new copy of Windows to the computer. Three days later I am happy to say everything is back to where it was prior to my trying to get rid of some stupid duplicate files. Guess Stupid is really what Stupid does, eh? Word to the wise, unless you are single, jobless, and bored; live with the duplicates and buy an external hard drive if you want quick extra disk space. Worth the money, but more importantly worth not having to go through the frustration and time of all the above.

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A comment on: Is it safe to delete duplicate files?

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Comment from femma on 2008-10-19

2008-10-19T23:10:35Z

hi leo,
my neighbor put my photos in my desktop 900PLUS CAN I DELETE AND HOW ALSO AN ICON APPEARS AND I CAN NOT DELETE SAIDS TMP FILE THANKS FOR YOUR HELP

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Comment from Allan on 2008-10-11

2008-10-12T03:36:21Z

Never delete files from the Windows directory
Only delete files you know are safe to delete

I use Directory Report to find dups
http://www.file-utilities.com/downloads/wdir.zip

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Comment from Max McCord on 2008-07-31

2008-07-31T10:17:52Z

Well Leo, You shot me down...sorta. I discovered your site while seeking an efficient solution to a duplicates problem (some unknown application or some action on my part has resulted in vast numbers of duplicate files, primarily shortcuts, on my Vista system. It would take many hours to remove them all individually). My problem is not primarily a duplicate program removal issue, but you have convinced me to be extra cautious. I have encountered problems such as you describe in the past, sometimes with disastrous consequences. Thanks for reminding me of the potential problems.

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Comment from Kristian on 2008-04-07

2008-04-07T14:21:05Z

As Leo and many other in this thread says it is not safe to remove all duplicate files. I would recomend only to remove user files (digital photos, music, documents etc) and carefully check every file before removing it and not use any programs that automaticaly removes clones without your control. The problem is not only to find the duplicate files but to select which ones to remove.
You could try using our software Clone Tools that will give you control of exactly what you are doing by displaying all clones in a file browser. Windows system directories are exlcuded from the duplicate scan by default.
http://www.pilotman.com

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Comment from john290 on 2008-02-26

2008-02-26T17:44:27Z

I agree with all of you! but i am sys admin and i create lots of backup... so to organize this we use duplicate finder it help me a lot!

http://www.ashisoft.com

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Comment from Linda on 2007-07-20

2007-07-21T02:26:11Z

I agree that deleting duplicates files could be a problem IF you're not looking at the duplicates before you delete them. Checksums are important when integrating it into a duplicate file program.

Also, I'm still wondering how someone could lose their operating system without knowing it before they click.......hmmmmmm

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A comment on: Is it safe to delete duplicate files?

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Comment from Ziggie on 2007-07-09

2007-07-09T18:34:14Z

I've learned this lesson the hard way. Once I ran one of these duplicate finders to clear up some duplicate files (lean = fast, right?). When I got done ALL of my shortcut files had disappeared. My desktop was blank, my start menu was blank, my quick launch was blank. I've decided since then that duplicate files aren't that bad....

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A comment on: Is it safe to delete duplicate files?

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Comment from Cat Moves on 2007-07-07

2007-07-07T16:45:04Z

For some now, I 've, almost religiously, been running CCleaner, then Disc Cleanup, then Drive Cleanup before turning off my computer. I wanted to know how it looked once, so after performing my usual shut down cleaning, when I next turned it on, I ran the same programs. There's a surprise. It seemed that all those nasties (or most of them at least) were back. I had done no surfing, no going on online, nothing. What's going on here? Am I wasting my time doing these chores?

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A comment on: Is it safe to delete duplicate files?

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Comment from Jerry on 2007-07-07

2007-07-07T14:41:02Z

On March 22, 2007 I deleted all duplicate files, and my system crashed as a result. Leo is giving good advice.

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Comment from Terry Hollett on 2007-07-07

2007-07-07T12:35:26Z

I got a call from a guy who couldn't get MSN Messenger to run. I couldn't either even after reinstalling it. Also I noticed the adware program wouldn't run. I downloaded that version and even that wouldn't run.

An antivirus scan showed no infection. The only clue was when trying to run Lavasoft Ad-Aware it wouldn't but there was a error message concerning the file RICHED20.DLL. I assumed it was corrupted/missing - did a search and found 4 instances of the file on the computer.

I decided to download a new copy of the internet. They didn't have the install CD and I wasn't sure about the copies on the system. After downloading I wasn't sure where to put it. I chose SYSTEM32 folder even though there wasn't a copy there. Problem solved.

I had a similar problem with WMP.DLL from Media Player 10. Found 4 instances of the file on my hard drive and decided to use one of them. It worked by coping the file from one folder (can't remember the name right now) to the SYSTEM32 folder where again the file was missing. It worked. Duplicate files aren't always bad.

www.geocities.com/terryhollett2003/feb202007.htm

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Comment from gilles on 2007-07-03

2007-07-03T16:06:41Z

VERY GOOD ADVICE AS USUAL.ABOUT A YEAR AGO I USED A LITTLE PROGRAM TO GET RID OF DUPLICATE FILES,IT DID THAT ALLRIGHT AND AT THE SAME TIME IT GOT RID OF XP AND I HAD TO REINSTALL,SO LISTEN TO LEO.

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A comment on: Is it safe to delete duplicate files?

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