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How to Fix and Continue Broken or Corrupted IDM Downloads

Ever Experienced this Problem?

What Is IDM?

Internet Download Manager (IDM) is a download accelerator and file organizer that manages the download of many types of files from the Internet.

Has IDM ever not been able to complete a download perfectly? Maybe it's stalled at 99% or a number very close to 100% and stops downloading altogether. Then, instead of the file you wanted, you get a totally corrupted download that you can't use.

IDM works by dividing the file into between two and ten parts in order to accelerate the download. At the end of the download, IDM combines all the file parts into one file. Sometimes, one of the file pieces was corrupted, in which case IDM could not merge the file and complete the download.

This can be especially frustrating when you're downloading large files with a slow connection. You wait for what seems like forever for your download, and then it gets stuck right when it was about to finish, and you can't start it back from the beginning.

Luckily, I have a solution to this problem that I worked out a couple of years ago that's still working well. I'll also include some other solutions to common problems.

A quick question about IDM

What was your most downloaded size of a file using IDM?

  • less than 10 MB
  • 10 MB - 100 MB
  • 100 MB - 1 GB
  • > 1 GB
See results without voting

Download Stopped Downloading and Froze at 99%

How to Continue Downloading

You only need this two things to implement my solution:

  1. Your system needs to have the capability to resume download, which means that if you fully stop downloading, the server should be able to support it so it can start it back at the point where it was stopped.
  2. You need a type of software called a file splitter and joiner. Here are two types of free software to choose from: Fastest File Splitter and Joiner 3.3 and HJ Split.

IDM Temporary Location

Source

The Step-by-Step

Part One

  • Go to the IDM temporary file location, where IDM stores the file parts before completing the download
  • Look for and select "Options" in the IDM Toolbar.
  • Then, find and select the option to "save to" and search for "temporary directory" (see image above).
  • Copy the address. For example: C:\Users\rixpro\AppData\Roaming\IDM\DwnlData\

Side note: You should see a lot of files in IDM temporary file directory, which have not completed the download through IDM.

Part Two

  • Find the folder of the corrupted file (the one that failed to download completely). For example, if you're downloading a file named Ironman3_fullHD, there should be a folder with a name very similar to the one that you're downloading.
  • You can find the folder by searching for the file name and then opening it. Sorting the files by file size or date may also help you to find the folder.

Part Three

  • Once you open the file, you'll see it's been divided into different parts, usually between two and fifteen.
  • Not all of these files are corrupted, and you will be able to combine some of them.
  • Minimize this window and start your download again.
  • You should be able to see the IDM download progress bar indicate the combination of parts that are not corrupted. However, you still won't be able to complete this because there are still corrupted file parts left.
  • Close the download and maximize the IDM temporary directory.
  • Now you should see that some parts are now combined and there are only two or three files. These are the ones that can't combine at the end because the file is corrupted.

Side note: The log file is not important since it is not a part of the download. You can delete it.

Part Four

  • Now you have to use the file splitter and joiner to remove the corrupted end from the file parts. I'm not going to explain much about how to use the file splitter and joiner because the software is usually very easy to use. You can always Google it!
  • Open one file part with the software and split it so that one part contains 250 - 500 KB. For example, if your chosen file part is 10 MB, use the file splitter and joiner to split it into 20 parts so that each one will be 500 KB. Don't forget to delete the original file part. Now you have 20 parts with name extensions like filename.001, filename .002, filename.003 [...] filename.020
  • When you reach this point, delete the filename.020 (which is the corrupted end), and join the other 19 parts back together again using the software. You can also use the software settings so that the other file parts are deleted after you combine them again.
  • Do this for the remaining parts, also removing their corrupted end.
  • Now, go back to IDM and resume downloading and your download will finish perfectly.

I hope this helps! If you have any questions, just leave a comment :)

Other IDM FAQ's and Troubleshooting

Troubleshooting IDM Problems

  • If you're having trouble with IDM, make sure you have the latest version of the software in which some bugs may have been fixed.
  • Also, some applications like Internet security, antivirus, and firewall software can interfere with IDM. Follow the instructions in the section below to see if this could be the problem or if your software is on a list of applications with known issues.
  • Different internet accelerators or video accelerators may also interfere in a download process or cause problems.
  • Download problems are also common with proxy servers either set in IDM or transparent proxy servers that might be used by your Internet provider. In this case, try to change the proxy server, try another Internet provider, or use a VPN.
  • Make sure you're using a genuine version of IDM and that it is registered with a valid serial number.

FAQ: Why Does IDM Fail to Resume Download?

From the FAQ at IDM's website:

A failure to resume download can occur because of conflicts between IDM and other applications, such as the firewall, antivirus, or Internet security applications which control traffic and can change or cache all the files and file parts that are written on disk.

These kinds of problems are confirmed with Bit Defender 2012, see forum here. In the latest version of Bit Defender, however, this problem is solved so a simple software update could solve your problem if you are a Bit Defender user.

In addition, some firewalls and antivirus softwares are not ready for Windows Vista, Windows 7, or Windows 8 and 8.1, and work incorrectly as a result.

Please try to TEMPORARILY completely uninstall your firewall, antivirus, or Internet security application. Simply disabling it is not enough because some of these kinds of applications keep blocking access even if you turn them off. If your problem is solved after doing this, then that would indicate the application is the source of the problem.

At the bottom of this web page is a list of firewalls, Internet security, and antivirus applications with known problems. If your security application is present in the list on the page, you can find out how to configure it to work with IDM. If that still doesn't work, try contacting the application's developers to see if they have a solution. You could also try using a different security, firewall, or antivirus application.

If disabling your security application does not help, it's possible you have an application that functions like a firewall, antivirus, or security application that you do not know about. It may have something like "protector," "defender," "spyware remover," or "cleaner," in its name. If you find such application on your computer, try to uninstall it as well and see if your problem persists.

You could also have the same problem with resuming downloads if you use a proxy in the "Options->Proxy / Socks" IDM dialog. Try disabling it or using another proxy. Your Internet provider might also use an external proxy that could cause problems.

Do You Need IDM?

IDM is no longer a free software. There is a one-month trial period, after which you will need to pay to continue using it.

Many users have complained that the software is difficult to uninstall after the trial if they choose to not pay for it, and that their machines are slower afterwards as well.

There are many downloaders that are completely free and provide better service (according to reviewers on download.com). If you continue having problems with IDM, you may want to consider finding a different download accelerator altogether.

Comments 47 comments

Gaurava Mishra 3 years ago

Thanks Buddy... Its working very well


rixpro profile image

rixpro 3 years ago from Anuradhapura, Sri Lanka Author

Thank you @Gaurava Mishra for stop and commenting on my hub :)


sunny 3 years ago

give the video plzzz


Gurmat 3 years ago

My download was stuck at 99.99%. But i found the complete file in the download directory.


Kang Gilang 3 years ago

Thanks you so much, it's very helping for me


ChaZ 3 years ago

Works fine for stream-packet oriented files (videos), but it fails for softwares as any corrupt bit leads to malfunctioning of the software system.


Vidhyasharan 3 years ago

Thanx brother


seghier 3 years ago

thank you ; i have problem like that but idm delete all temporary files and i need to try downloading again


Dishan 2 years ago

i can't understand anything


SJKT 2 years ago

This all is a shit!!!!!!!!!!!!! This is no olution at all!!!! specially for this issue... HJsplit join the file only of .001 format..... he can't choose any other format to join............. IDM didn't download file in .001 format!!!!!!!!!!!


stfu 2 years ago

sjkt stfu this is a very clever solution. but its not for ppl like you sjkt


nilesh 2 years ago

my download gets corrupted at any point of time mostly 70% and then it downloads from start with resume capability as no can your process fix this error


Trojan 2 years ago

it's failed/not work my file has gonna be corrupt after finish resume download :(


naufal96 2 years ago

excuse me.....which file needs to be splitted? file prt 1 ,2 or 3


dev 2 years ago

Hi, good tips.

My doubt is , sometimes the file has been completely downloaded, but broken inside. That means the video just stops in between the playback. It happens for FLV videos mostly.

How to solve this?

please reply : dev646@gmail.com

thanks,

Dev


lil 2 years ago

helo, I found my complete download in temporary file, how can I convert it completely


MichaelPangilinan 2 years ago

Hahaha! it really works


Shantohasibul 2 years ago

plz make a video....:(


shokoy 23 months ago

rixpro, my video downloads are compled 100%. but when i watch the movie it is corrupted usually in the middle of the movie, it jumps to the end.. the middle part cannot be played.. this usually happens to movies i downloaded which have stopped in the middle and i just resumed the download ok until it finish the download.. theres no more temp files to split and join since it 100% completed already.. how do i resolve this problem? i'm using IDM 6.21 build 15..


liz 22 months ago

when u reach 99.9% and u must stop the download and resume it.it will be 100%


rixpro profile image

rixpro 22 months ago from Anuradhapura, Sri Lanka Author

not every time. depend on your internet connection and download link :)


IDM sucks! 22 months ago

I once tried to buy IDM. They refunded my money and deactivated myserial because I bought through a VPN to protect my privacy. Screw IDM. They suck donkey balls. Try Jdownloader. It is a good, free downloader and it will even auto extract the files. Google adware free jdownloader 2 and get the offline installer without ad ware.


rixpro profile image

rixpro 22 months ago from Anuradhapura, Sri Lanka Author

hey people article just updated with video tutorial. Really sorry about my laziness :D


Amit 20 months ago

You are my hero....... Thank..... you...

You have saved my ass....

It worked very fine.....


Lakmal 19 months ago

Awesome trick dude! worked Perfectly!!!!! Thanks!!!!!!!!!!!!!!!! :D


surya 17 months ago

not working once i press the resume download it is starting from the beginning


Sudhanshu 17 months ago

I Downloaded Andriod Studio To Develop Andriod Apps But This Studio Request Me To Download Java Develping Kit

So I Go to The Official Site Of Java Oracel And Download 7 Which If Of 138 MB I Started Downloading. Since It Was A Non Resumable Link So I Have To Download On One Connection I Done That But It Stuck It At 99.97% I Was Thinking Its May My Mistake So I Downloaded This File Again But Same Problem Happen..

Now Then I Move To Java 8 Update 45 Which Is Of 175 MB But Again It Stuck At 99.98% . I Am Sick And Tired Of All These Thing..

Please Tell Me How To Download Complete And Don't Re command Me To Download Again Because I Already Know That


Sudhanshu 17 months ago

And Also Sir I Think My Corrupted File Is Of 0 Kb So I Can't Split It Please Help Me !!!!


anil 17 months ago

i download 11 gb file using idm when download 100% my pc suddenly restart and download from the 12% plz help


Luhur Septiadi 16 months ago

Can i ask you something? When the Download bar reaches 99%, while i am playing some games. The Computer, Freeze. It force me to Shut it down manually. After rebooting. I try to resume it. Apparently, the file is downloaded at the folder. But the the IDM want to retry the download from beginning, So i stop the download process. And the size is what makes me anxious.This part file size is different compared to another part of file. The other part file size (All of them that are not distrupted) is 2.048.000. And this file size is 2.048.001. So i try to Unzip it (Rar Part) and there's no problem in "unzipping". My question is. Are these files are corrupted or succesfully downloaded?


rixpro profile image

rixpro 16 months ago from Anuradhapura, Sri Lanka Author

I personally unable to reply you all here so If you guys have any problem with this article hit me on the skype: volt33000


Patiks 16 months ago

I am downloading windows 10 through idm and it stops at 89% .... Is it useful for os download........


toheeb azeez 16 months ago

THANK YOU SOOOO VERY MUCH,YOU ARE A GENIUS,ITS SO BASIC,FOR THOSE WHO ARE ABUSING "RIXPRO" YOU REALLY MUST BE DUMB BUT FOR THOSE WHO DONT JUST UNDERSTAND ITS NOT THAT HARD OF A THING YOULL GET IT AND JUST TO BE SURE,THIS SOLUTION FIXES ANY BROKEN DOWNLOAD OF SUCH (I AM A WITNESS)................THANKS AGAIN,KEEP UP THE GOOD WORK


Amlan 14 months ago

If the above solution doesn't work for you, then you may consider downloading only through a single connection. That way, this problem won't arise altogether.


renz 14 months ago

bro ur a lifesaver.....tnx for the solution


worked 14 months ago

worked like magic, thanks..


mudasar 13 months ago

my downloading is stuck on 99.05% than shows this error,

" An error occurred during download. Please try again.

Details:

HTTP/1.1 404 Not Found"

i have checked the server file it is not removed.

it is a flv file and its downloaded parts are 650 i join them but media does not play. ????

can you help


bapin 13 months ago

thanks man it worked perfectly

thanks again :)


SHINee 11 months ago

hi, i'm facing some problem with the IDM, it's work but it just show one connection only when i download it, others was failed. So, it really slow when only one connection. it only have 1 is deceiving data, then the 2nd, 3rd and so forth is disconnet . Previously i did not have this problem, why is it happen ? is any setting error ? Can anyone please give some suggestion for this , thanks a lot.


Ad 9 months ago

It shit stuck at 99.9 and the fiile was saved to downloads directory what to do?


Qingcaohua 7 months ago

Idealshare VideoGo is the best choice for merging FLV files, which can join several FLV files into one FLV or directly join FLV into one MP4, merge FLV to MP3, merge FLV to AVI, merge FLV to MOV, MPG, DV, MKV, H.265, WebM.


Ferry Roland 5 months ago

With your step (video) i was able to progress, but i have a problem (even splitting/joining) at late (99.73%) download. It's hard, but i don't want to redownload or download from start again... :(


Ferry Roland 5 months ago

With your tips i was almost able to finish the download my Windows 7 Enterprise ISO (for my VM). However, when it reaches late 99% (eg. 99.73% or 99.81%) my download stops even i remove corrupt bits. Any help about it?


Ferry Roland 5 months ago

(continuing from the top) My download has been failed. sorry about it


mostafaznv 4 months ago

thanks ...

worked nice


hn 3 months ago

hello.i wanted to download a movie(1.5gig)but when idm recieve to 85% download failed and start download from first 0%. how can i recover 85%download and resume my download. thanks alot


keedy 6 weeks ago

awesome bro... thnx it has helped me to get my game... i have suffered it many times but this time your post helped me... thanks..

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