Best Tricks To Fix IDM Fake Serial Number Error 2024


How To Fix IDM Fake Serial Number Error – In this article, We will guide you to repair IDM that has been registered with a fake serial number or fake serial number. Internet Download Manager (IDM) is the most popular download manager for Windows.

Best Tricks To Fix IDM Fake Serial Number Error
Best Tricks To Fix IDM Fake Serial Number Error

How To Fix IDM Fake Serial Number Error (4 Easy and Effective Ways) 2024

The only difference between IDM and other popular download managers is that IDM is paid software which means you have to buy it to use it.

If you have purchased IDM, you can cause several problems such as “IDM has been registered with a fake serial number or the serial number has been blocked”.

Or you may have used a trial version of IDM crack before but you have already bought a new IDM but still, you get the same error message when you try to register with your official serial number.

IDM Fake serial number
IDM Fake serial number

Here are some solutions that you can try before contacting the IDM support team. 

By the way, this IDM support page lists some problems and possible solutions, but this is not enough to get you out of this situation. You can also try our solutions first.

#1. Tweaking IDM files

We need to change some IDM program files to stop them from displaying fake serial number error messages.

Let’s go through the following steps:

Tweaking IDM files
Tweaking IDM files
  1. Go to C: \ Program Files \ Internet Download Manager or C: \ Program Files (x86) \ Internet Download Manager on 64-bit computers
  2. Search and delete the file called IDMGrHlp.exe
  3. Now copy the idmBroker.exe from the same folder and paste it in the same folder and rename it to IDMGrHlp.exe
  4. Restart the system for the changes to take effect

If you are still having problems and an error message appears, you can deactivate the IDM automatic update function using the following methods:

#2. Disable automatic updates on IDM

You can turn off IDM updates automatically using the Windows Registry

  1. Go running -> Regedit
  2. Go to HKEY_CURRENT_USER \ Software \ DownloadManager
  3. On the right panel, select CheckUpdtVM and edit the value to 0

#3. Editing Host Files to block IDM updates

  1. Explore C: \ Windows \ System32 \ drivers \ etc \
  2. Open the hosts’ file using a text editor like notepad
  3. Copy and paste this line at the end of the HOSTS file:

Please note that this will deactivate the Internet Download Manager update function. You must download the latest updates manually.

#2: With Cleaning Regedit

First, run open (Press “Windows Key + R” together from your keyboard to open the run dialog box.) Now type “Regedit” without quotation. If it shows a message, then click the “YES” button.

Method2: With Cleaning Regedit
Method2: With Cleaning Regedit

Now, open (HKEY_CURRENT_USER >>> Software >>> Download Manager), then you see “CheckUpdtVM” or “StlmmMsg“. Double-click on this message and change the value from 1 to 0.

change the value from 1 to 0
change the value from 1 to 0

Note: If “CheckUpdtVM” does not exist, then create a new “String Value” named “CheckUpdtVM” and set the value = 0.

String Value
String Value

Now restart “IDM” or restart your PC.

#3 Rename File

Rename File
Rename File

The renaming file is the first method that is quite simple. You only need to change the name of one of the files contained in the internet download manager / IDM folder on your laptop or PC.

How to fix IDM detected using a fake serial number:

  1. Open the system tray (lower right corner) on your laptop or PC.
  2. Then right-click IDM> Exit.
  3. Go to C: \ Program Files \ Internet Download Manager.
  4. Rename the IDMGrHlp.exe file to idmhelp-old.exe.
  5. Next restart the laptop or computer.
  6. After that reopen the IDM installation folder.
  7. Change the name of the idmBroker.exe file to IDMGrHlp.exe.
  8. The final step is to restart your laptop again.

After your laptop or PC is restarted, IDM will change to the full version. You do not need to worry about any more fake serial number warning messages appearing on IDM.

#4. Remove IDM Fake Serial Number

Remove IDM Fake Serial Number
Remove IDM Fake Serial Number

If the first method fails to resolve the fake serial number on IDM, then you should try the second method. This method proved to be effective enough to get rid of fake serial numbers.

How to get rid of the latest Fake Serial Number IDM:

  1. Make sure IDM is in the latest version.
  2. Then download the IDM Activator file.
  3. Then turn off the antivirus first.
  4. Extract the file that has been downloaded to the IDM installation folder.
  5. Next, follow the instructions in the text file.

After you have followed the tutorial in accordance with the instructions, it is certain that your IDM is in the full version. Now the fake serial number warning will not reappear.

Read more:


If you still get an error, the best way is to download Internet Download Manager from the Tonec website again, uninstall IDM that was previously installed, and reinstall IDM using the newly downloaded installer.

Don’t forget to bookmark and always visit every day because here you can find the latest technology information such as How-to Guide Tips and Tricks Blogging Digital Marketing Windows Android Root Social Media games, ETC. Best of luck.

Previous articleHow To Hide IP Addresses on Windows 10 (3 Easy Tips) 2024
Next article11 Ways To Turn on Bluetooth on Windows 10 PC 2024
Nazrul Islam
I'm Nazrul Islam, from Assam Guwahati (India) I have been Running this Blog since 2016 with my full effort to Help users in the Tech field and clear doubt, and provide advanced guides in simple methods. Such as how-to guides Tips&Tricks Windows Android Blogging Digital Marketing SEO Hosting Make Money Social Media Reviews technology.


  1. Just applied this trick on my laptop, and after downloading any app or file from it perfectly downloads without any trouble; before doing it, I applied many tricks on websites, but all in vain. Thanks for sharing this method.

  2. I have done it but there is a status that IDM even though no download is still eating CPU, is there any way to fix it?

  3. Great post! I’m glad to see someone addressing this issue with IDM. I’ve been dealing with the fake serial number error for weeks now, and it’s really frustrating. Your tips are exactly what I needed to troubleshoot the problem. Thanks for sharing!


Please enter your comment!
Please enter your name here