Error code 0x80240020 is a Windows 10 upgrade error code that affects users who attempt to upgrade their Windows operating system. This may occur due to a particular program that blocks the upgrade from completing. It can also result when other PC issues interfere with the upgrade process by disrupting the ability of Windows Update to download updates on one’s machine. Common symptoms of error code 0x80240020 include the following:
Error CausesUpgrade error codes occur when Windows users experience upgrade failure while using Windows Update, the Microsoft Windows Update website, the Microsoft Update website, or the Windows Server Update Services (WSUS) server. Disruption may cause this process to fail, for instance, due to system file corruptions or problems related to the Windows Update services.
To correct issues related to error codes, it is often best to apply manual repair methods. These help Windows users determine the root causes of the error code and provide solutions that permanently fix these issues. For instance, if error code 0x80240020 on your machine is due to an issue within the Windows Update tool, you will need to first verify that this is the problem by using a troubleshooter option found within your machine’s settings. The troubleshooter will detect and fix the issue.
Most of these manual repair methods can be implemented by any Windows user, regardless of their background, technical abilities, or lack thereof. However, in certain cases, technical skills are required. If you have trouble implementing the procedures highlighted below or in any other error code article found on this site, consider getting help from a Windows repair technician or use a powerful automated tool.
Below are details regarding the manual repair methods for fixing error code 0x80240020. Ensure you follow the instructions correctly. After all, any error you make will likely cause further problems on your machine and prevent you from resolving error code 0x80240020 in Windows 10.
One way to fix error code 0x80240020 is to troubleshoot Windows Update. To do this you will need to access Settings within your machine then simply select the relevant troubleshooting options available. Follow the instructions below:
If there are problems with Windows Update, the troubleshooter will be able to fix them. Once this process is complete, restart your PC and then reopen Windows Update. Attempt to upgrade your Windows operating system. If Windows Update completes the process and your machine downloads and runs the upgrade, you have successfully resolved error code 0x80240020.
If, however, there is another upgrade failure and the message box detailing the presence of error code 0x80240020 in Windows 10 appears, you will need to apply another manual repair procedure. Please see below for further details regarding manual repair method two.
Corrupted or missing system files may interfere with your machine’s ability to successfully download an upgrade. For this reason, scan and fix any problems related to system files on your machine using Command Prompt. This manual repair method is often called a System File Check/ Checker (SFC).
To ensure you follow this procedure correctly, enter the command as it is written above, with a space between “sfc” and “/scannow”. Once missing, corrupted or damaged files are present on your machine, the SFC command will enable Command Prompt to scan and fix these issues. Wait until the process is complete then reboot your PC.
With your system successfully rebooted, reattempt the Windows 10 upgrade process in Windows Update or on the Windows Update website. If the issue causing error code 0x80240020 was related to problems with system files, you should be able to complete the upgrade after using the SFC tool.
If you wish to always have at your disposal a utility tool to fix these Windows 10 and other related issues when they do arise, download and install a powerful automated tool.

Error CausesBoost My PC is a program developed by 1.0.2.6. During setup, a scheduled task is added to Windows Task Scheduler in order to launch the program at various scheduled times (the schedule varies depending on the version). When installed, it will add a context menu handler to the Windows shell in order to provide quick access to the program.
Boost My PC presents itself as a legit PC speed-up utility, it scans your computer for problems and displays errors that need to be fixed. Upon accepting to fix these alleged errors, you are asked for a Payment in order to activate this product for a few months.
Many anti-virus scanners have marked this application as a Potentially Unwanted Program, and while Boost My PC is not so harmful on its own, it comes bundled with other Potentially Unwanted Programs that might harm your computer.
“In Microsoft Windows accounts protected by Family Safety settings, secure connections on popular websites like Google, Facebook and YouTube might be intercepted and their certificates replaced by a certificate issued by Microsoft in order to filter and record search activity.”And if you are connected to a corporate network, there might be a monitoring/filtering product that could be replacing certificates. Moreover, there are also users who reported getting this issue when they use the Nightly version of Firefox. And if that’s the case, you have to try accessing secure websites using only the stable build especially when it comes to payments. However, if you are not doing that, then here are some options you need to check out.
“This policy setting allows you to specify a list of Plug and Play hardware IDs and compatible IDs for devices that Windows is prevented from installing. This policy setting takes precedence over any other policy setting that allows Windows to install a device. If you enable this policy setting Windows is prevented from installing a device whose hardware ID or compatible ID appears in the list you create. If you enable this policy setting on a remote desktop server the policy setting affects the redirection of the specified devices from a remote desktop client to the remote desktop server. If you disable or do not configure this policy setting devices can be installed and updated as allowed or prevented by other policy settings.”
Further Information and Manual Repair
Error CausesWhen you receive the error 0x800ccc79 it may hamper your ability to send emails. Therefore it is advisable to fix it to ensure your emails are sent and received without any difficulty.
This Outlook error 0x800ccc79 is quite easy to repair. By following the quick fix 0x800ccc79 error code solutions given below you can resolve this error in just a couple of minutes.
Here’s what you need to do to fix this error right away:
Solution: If the error occurs due to Outlook Express being configured to use the SSL protocol while sending and receiving emails via the web, then to resolve it, you need to allow Outlook Express to bypass the Secure Socket Layer settings.
To do so, click on ‘tools’ and then on ‘Accounts’. Now select the email account that you want to modify.
Now select the ‘Properties’ tab and then click on ‘Advanced Settings’.
Here search for the following text message ‘This server requires a secure connection’. Once you locate it, uncheck all the checkboxes given next to this option. After that save the changes and restart Outlook Express to see bring the changes into effect.
Solution: If the error 0x800ccc79 occurs due to missing or corrupt registry entries, then the best way to fix this error is to download and install a good registry cleaner on your PC.
The registry cleaner will help you clean your corrupt and damaged Windows registry entries and get rid of this error right away. It is suggested you download the registry cleaner tool from a reliable website to avoid any malware or virus downloads simultaneously.
Once you download the registry cleaner on your system, click on scan. The cleaner will scan your computer completely for registry errors and show you the results in a list form.
After the scanning is complete, click on repair to fix the errors.
So, next time, if you or anyone at your office comes across the Outlook Express error 0x800ccc79, you can try these solutions and fix the error immediately without waiting for the network personnel to come and resolve it.