Steps to Fix Windows Update Error 0x80240021

Windows operating system gives you many features in which automatic update service is one of the great features. You can update your Windows by using this service anytime if you are connected with the internet. But sometimes while you try to update the Windows using this service, you may get Windows update error 0x80240021 on the computer screen. It is a very critical error issue that comes to you due to incomplete installation of the Windows or due to the internet problem or corrupt applications downloading. You can fix this issue using some manual or automatic methods of troubleshooting. For automatic troubleshooting, you should download and install Advanced System Repair Tool.


{Compatible with Windows 8, 7, XP, ME, Vista, 98, 2000 (32/64)
File Size: 4.9MB Download Time: <(dsl, 2sec, dialup 2min)>}

Symptoms of Windows update error 0x80240021: You will see many symptoms in your computer after occurring of update error 0x80240021 in Windows like slow performance of the computer, screen freezing, system sticking, blue screen of death error occurring, automatic shutdown, starting problem, repetitive restarting, opening of some files without your permission, unable to update the Windows, unable to install or uninstall any files or programs, etc.

Causes of Windows update error 0x80240021: The error issue in Windows may come to you due to many reasons like incomplete installation of the Windows, problem with the automatic update service, unfinished uninstalling of some apps or files, virus infections, internet disconnections, improper communication between the computer and the automatic update service, conflicts among applications installed, etc.

How to fix Windows error code 0x80240021 manually: You can fix the Windows update error 0x80240021 in your computer manually using the below mentioned manual steps. You should always keep it in your mind that the manual method requires a deep technical skill to apply on the computer. For manual fixing, you should go through the following steps;

  1. You can restore the computer to the most recent restoring point to fix the issue.
  2. Replace the outdated or incompatible software or hardware.
  3. Check the internet connection before proceeding for Windows update.
  4. Uninstall the recently installed apps and programs.
  5. Remove the unfinished installed or uninstalled programs or files.
  6. You can also reinstall the Windows OS again in your computer to fix the issue.

Using the above manual steps, you will be able to fix Windows update error 0x80240021 in your computer. But in case, if you are not able to fix the issue manually due to lack of technical knowledge, then you must download and install Advanced System Repair Tool to fix the problem automatically.


{Compatible with Windows 8, 7, XP, ME, Vista, 98, 2000 (32/64)
File Size: 4.9MB Download Time: <(dsl, 2sec, dialup 2min)>}

Advanced System Repair Tool can fix the Windows problems automatically when you launch it in your computer. The tool is very much compatible with each and every version of Windows. It can find out the errors and fix them automatically and enhance the system speed incredibly.


Comments are closed.