How to Fix IDM HTTP/1.1 404 Not Found Error : Best Ways

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No doubt IDM (Internet Download Manager) is one of the most popular and widely used download manager for downloading files at a much higher speed as compared to the default web browser download manager or other download manager applications.IDM can speed up your download by upto 5 times and is even capable of resuming unfinished downloads.IDM is capable of downloading all kinds of files i.e media, documents, torrents and much more at ease.IDM offers amazingly fast Downloading Speed as compared to other Download Managers but due to some internal IDM Server replies error users are having difficulty while downloading files from their web browser.

Moreover, I have been personally using IDM for past few years and I can really say this is really one of the fastest download managers that I have tried thus far and I would surely recommend IDM to all those users who haven’t tried IDM till now. In my previous articles I have already covered few important suggestions and solutions based on IDM and therefore here once again I am going to tell how to fix IDM HTTP/1.1 404 Not Found Error. Though this IDM HTTP/1.1 404 Not found error is a very rare error to face but recently several users were reported facing HTTP/1.1 404 not found error while trying to download files over internet. Moreover, the exact reason for this error is still unknown but techincally speaking it has to do with either your Web browser integration with IDM or your router mac filtering settings. Follow the below given instructions on how to fix IDM HTTP/1.1 404 Not found error.

How to Fix IDM HTTP/1.1 404 Not Found Error : Best Ways

Now considering its rare occurence, unknown reasons and very few solutions available over internet I would first suggest you to be patient and keep calm and try looking out for solutions till the issue is resolved permanently and therefore to help you I have compiled a list of few solutions that you may apply in order to fix IDM HTTP/1.1 404 not found error.

Also Read :

Method – 1 : Cleaning Up your Internet Data

Whenever you face any kind of internet downloading or browsing based issues it is always recommended to first try out with usual fixes i.e cleaning out all the old junk files, old history, cache, cookies etc everything. Try to implement this on all of your Web browsers. After completing the cleaning process it is better to restart your system and then check if that fixes your issue or not. If yes then you are very lucky but if doesn’t fixes your issue then don’t worry just proceed with the following alternative fixes given below. This will fix idm error 404 not found.

  • For Easy and Complete Clean up of your Internet Data You may Use – CCleaner

How to Fix IDM HTTP/1.1 404 Not Found Error - CCleaner

Method – 2 : Proper IDM Integration

It is important to ensure that you are having proper IDM integration with your respective web browsers via IDM CC Addon. Therefore it is suggested that you should have latest IDM CC Addon installed on your web browser for effective results.

Method – 3 : Install / Re-install IDM and Browser

Now what you have to do is to Uninstall your current IDM Version and your Mozilla Firefox or Google Chrome Web browser completely from your system via Control. After successful uninstallation process download the latest version of IDM and latest version of your browser and install them one by one.


NoteTo get the latest proper working version of IDM just drop a query below providing your email id and i will get in touch with you as soon as possible.

Try out these fixes and hopefully your IDM HTTP/1.1 404 Not found error gets resolved as soon as possible….For any queries please feel free to contact by commenting below…Thanks

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  1. Try this,

    Download Hotspot Sheild from below link:

    Turn it on

    Open IDM and then refresh the address, and you are good to go.

    Its an issue that has to do with your server, am thinking; but am no expert.

    Good luck


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