Repair Windows Update Error 0x80070020 [5 methods]

Windows Updates are now a fairly frequent and essential service delivering major / minor changes, bug fixes and improvements to improve the quality of Windows on a daily basis. But these updates are something that users cannot acquire and adapt due to many reasons and one of them is 0x80070020 Update error .

Code 0x80070020 Error is responsible for restricting users from installing Windows updates.

As you are lucky you found this post about how to fix update error 0x80070020 because keeping your Windows up-to-date is a primary requirement for fixing other bugs as well. Here you will find some of the best solutions to deal with this error situation, but first of all we will learn why this error occurs.

Why does the error code 0x80070020 occur?

There are several reasons related to Windows update interference:

  1. The antivirus interferes through its real-time scanning function.
  2. Corrupt registry entries.
  3. Insufficient memory for upgrade to accommodate.
  4. Poor quality hard drive sectors.

How to fix update error 0x80070020?

Here we will discuss some of the best hand-picked methods to solve the above problem without any professional knowledge.

Method 1: Disable antivirus and firewall or use the default antivirus

One of the main reasons for this error 0x80070020 is a third-party antivirus that hinders the update processes. Antivirus and firewall are meant to protect your PC from viruses and malware. But sometimes PC and antivirus software don’t go so well together. That means that the operating system faces incompatibilities with third-party antivirus software.

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Conflicts that arise due to third-party antivirus and firewall software lead to serious malfunction of daily Windows services, such as Windows Updates. Therefore, it is worth disabling your antivirus protection for a while and try updating your system after successfully disabling the antivirus and firewall protections.

In the worst case, you may need to uninstall your antivirus software to carry out the update process. If uninstalling works for you, try switching to new and different software.

Method 2: Restart the BITS service

Smart transfer services on background abbreviated as Bits They are primarily responsible for the automatic and intelligent updating of your PC in the background.

When this service goes down, update problems 0x80070020 are definitely going to crop up. Therefore, restarting this service could restore its proper functioning again.

To restart BITS follow the steps given :

  1. Press the Ctrl + Shift + Esc keys together to start the Task Manager.
  2. Switch to tab Services and look for Bits or Smart transfer services in second flat on the list.
  3. Right click about it and choose Restart .

This will reset the BITS and could get your PC working again.

Method 3: Windows Update Troubleshooter

Microsoft’s update troubleshooter is worth trying after disabling your antivirus, but couldn’t come to the conclusion. The official troubleshooter is often helpful in solving update related problems by providing a logical sequence of instructions to eradicate the error. To run the Windows Update Troubleshooter:

  1. Press the key Windows and start writing Solution from problems and press Get in .
  2. If you don’t have one, download it by clicking click here.
  3. Choose option Windows update from the list and click Run the troubleshooter .
  4. Windows will automatically detect problems and walk you through some on-screen instructions to fix them.
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Hope this built-in Windows feature helped you get out of this annoying update error 0x80070020.

Method 4: Reset Windows update components

Resetting the Windows update components fixes the corrupted and infected update components that ensure a successful download and installation of Windows Update without any errors such as the error of Windows Update Services update .

To reset the Windows update components, do the following:

  1. Press the Windows keys + X and then choose » Command Prompt (Administrator) / Windows Power Shell (Administrator) »From the pop-up menu.
  2. Finish Windows Update Services , MSI Installer, Cryptographic and Bits typing the following commands in the open console. Remember to press » ENTER »After each command.
    • net stop wuauserv
    • net stop cryptSvc
    • net stop bits
    • net stop msiserver
  3. Consequently, rename the Catroot2 folder and Windows Update Services typing the following commands in the console window. Again press » ENTER »After each of the online commands.
    • ren C: Windows SoftwareDistribution SoftwareDistribution.old
    • ren C: Windows System32 catroot2 Catroot2.old
  4. We have to restart those services, which we finished in step 2. Those were BITS, Cryptographic, Windows Update Services and the MSI installer using the following inline commands and hitting enter after each of them.
    • net start wuauserv
    • net start cryptSvc
    • net start bits
    • Net Start msiserver
  5. Finally, write Out of the symbol of the system and restart the PC.
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After a successful reboot, try installing Windows Updates again and you will not see any error 0x80070020 again.

Method 5: Run CHKDSK

Checking the disk how you might pronounce it means the same thing. This command helps to check for poor sectors on the hard drive and then ends up repairing them. This utility provided by Windows should be given a chance to fix the update error 0x80070020:

  1. Press the key Windows + X together and click Command Prompt (Administrator) / Windows Power Shell (Administrator) to open it.
  2. In the Black / Blue console, type » chkdsk / rc: »And press Get in. You can check the same for other drives by replacing the letter «C» with drive indexes assigned with other letters.
  3. The command will automatically check and repair your HDD’s bad sectors.

That’s it. Error 0x80070020 will be fixed in Windows 10, 8 and 7.


Hopefully, you will be able to fix error 0x80070020 using the methods provided in the article. If you are still stuck after doing all the steps above, try formatting your PC. Happy fixing

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