Fix Downloader.dll Not Found Error in Windows

Stumbling upon downloader.dll not found error is not pleasant to experience, usually, it means that desired application can not be started. There could be several reasons why this error happens from user mistakes, corrupted files, bad installation, and even bad RAM memory. Whatever the reason might be solutions provided are the same for all and offer a fix to this issue.

it is advisable to follow provided solutions from start to finish not skipping any one of them since they are tailored to address the simplest solutions and issues and move toward more complicated ones.

  1. Reinstall application

    If you are receiving Downloader.dll not found when trying to run just a single certain application, reinstall the application, there is the possibility that the application has somehow corrupted downloader.dll during the installation process. Reinstalling might fix the problem.

  2. Run SFC scan

    SFC scan is the tool meant to scan all files and fix any corrupted ones. To run this tool, open the command prompt in administrator mode by right-clicking on the windows start button and then left-clicking on the command prompt (admin). When you are in command prompt type in SFC /scannow and let the whole process finish.

  3. Update device driver

    If previous steps have not provided results, go to device manager and visually check is there a device with an exclamation or other sign next to it, if there is, right-click on it and choose update driver.

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Option 2 – Update or reinstall the Universal Serial Bus Controller driver

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Note: If it is a regular USB drive, then it will be listed as a USB Mass Storage Device but if you have a USB 3.0 device, then look for a USB 3.0 Extensible Host Controller.
  • Restart your PC and then click the “Search automatically for updated driver software” option.
Note: If updating the USB Controller drivers didn’t work, you can try to reinstall them instead.

Option 3 – Try turning off Fast Startup

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Option 4 – Run the Hardware and Devices Troubleshooters

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Option 2 – Try booting your computer into Safe Mode and delete inactive users

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  • First, boot your computer in Safe Mode.
  • Then right-click on the concerned folder or file and select Properties.
  • Next, select Advanced in the Security tab and click on Add.
  • A new window will appear and from there, click on “Select a principal”.
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  • Now select Check Names and this would resolve the user name.
  • After that, click OK to save the settings. This will close the window and take you back to the previous one.
  • Next, from the drop-down menu, change the Type to Allow and select the Full Control checkbox.
  • Click OK to save the changes made and then restart your computer in a normal mode.

Option 3 – Try to take ownership of the folder or file

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  • After that, if a User Account Control or UAC prompt appears, just click on Yes to proceed.
  • Next, type and enter this command: TAKEOWN /F <path>
  • Note that the <path> is the location of the folder or file in File Explorer.
  • Now type and enter this second command: ICACLS <path> /grant administrators:F
  • Finally, once the command has been executed, restart your computer and then see if you can now access the folder or file.

Option 4 – Try scanning your computer using Windows Defender

As mentioned, the error when accessing the security settings or properties of a folder or file might be due to a virus or malware. It could be that it had made some modifications that prevents you from accessing security settings or properties. To eliminate it, you have to scan your computer using security programs like Windows Defender.
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  • Then click on the Windows Security option and open Windows Defender Security Center.
  • Next, click on Virus & threat protection > Run a new advanced scan.
  • Now make sure that Full Scan is selected from the menu and then click the Scan Now button to get started.
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Windows 10 is has a lot of features that help a user in optimizing a computer. So when the operating system encounters a problem, it is able to provide users with proper resources to get the problem fixed. There are even times when a user is not notified and an issue is either being repaired or dodged in the background. This kind of feature is known as the Diagnosis of the Automatic Repair feature that starts when your computer is booting. In such times, you will either see the “Diagnosing your PC” or “Preparing Automatic Repair” message on your screen. Although this feature is useful and has proven to be effective, some users reported that the process gets stuck. If you experience the same problem, read on as this post will guide you on what to do to fix it but before you start troubleshooting the problem, you might want to perform a Hard Boot first. All you have to do is to power down your computer, remove the battery and the AC adapter and then reconnect them. After that, tap and hold the power button for about 20 seconds and see if your computer boots up properly. If it doesn’t, follow the given fixes below.

Option 1 – Try disabling the automatic Startup Repair

The Automatic Startup Repair window will automatically open during boot when you have some system driver-related problem. So if you think that this is where the problem lies, you can try to disable the automatic Startup Repair.
  • Click on Troubleshoot and go to the Advanced options.
  • After that, select Command Prompt and execute the following command:
bcdedit /set recoveryenabled NO
  • Restart your computer after that and then check.

Option 2 – Run the System File Checker

System File Checker or SFC is a built-in command utility that helps in restoring corrupted files as well as missing files. It replaces bad and corrupted system files to good system files that might be the cause why you’re facing this problem. To run the SFC command, follow the steps given below.
  • Type “cmd” in the Start search and then right-click on the appropriate search result.
  • Next, select “Run as administrator” to open Command Prompt with admin privileges.
  • After opening Command Prompt, type in sfc /scannow
The command will start a system scan which will take a few whiles before it finishes. Once it’s done, you could get the following results:
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  2. Windows Resource Protection found corrupt files and successfully repaired them.
  3. Windows Resource Protection found corrupt files but was unable to fix some of them.
  • Now restart your computer and see if the problem is fixed or not.

Option 3 – Run CHKDSK to check your disk for errors

When it comes to some issues concerning the hard drive or removable devices, there is a utility in Windows that might help which is called “chkdsk”. This error check utility can help with several issues in the system.
  • Tap the Win + S keys to open the Search box.
  • Then type “command prompt” in the field and from the search results that appear, right-click on Command Prompt and select “Run as administrator”.
  • After opening an elevated command prompt, copy and paste the following command and hit Enter:
chkdsk /r /f
  • Now if you are prompted to run CHKDSK after your reboot your computer, just tap Y and reboot your PC.
  • If CHKDSK is not able to find any errors, tap the Win + E keys and navigate the access window. From there, right-click on the concerned drive and click on Properties.
  • After opening Properties, click on the tab Tools and then click on the “Check” button under the Error-checking section.
  • Wait until the process is completed and then restart your computer.
  • Once your computer has restarted, try accessing the file and check if the error persists.

Option 4 – Run the DISM tool

The next thing you can do is run the DISM tool. This tool is known to repair potentially corrupted files in your system as having them could also system issues like your computer getting stuck in the “Diagnosing your PC” or “Preparing Automatic Repair” screen.
  • Tap the Win + X keys and click on the “Command Prompt (Admin)” option.
  • After that, input each one of the commands listed below sequentially to execute them:
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    • Dism /Online /Cleanup-Image /ScanHealth
    • Dism /Online /Cleanup-Image /RestoreHealth
  • Once you’ve executed the commands given above, restart your computer and check if the problem is now fixed.

Option 5 – Try to use installation media to boot and repair your computer

Another thing you can try to resolve the issue is to use the Windows installation bootable media so you can boot and repair the operating system. To use it, follow these steps:
  • You need to first create an installation media which has the dame version of the operating system installed in your computer.
  • After that, once you reach the Install Windows screen, click on the “Repair your computer” link.
  • Wait until the repair is completed and then shut down your computer
  • Now once your computer has restarted, check if it can now boot properly.
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