Methods to Fix Windows 10 couldn’t be installed Error [Code 80240020]

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Installing Windows updates are substantial. The updates brings improvements to the system and security. Hence, it is a must to keep your Windows system has the latest updates. However, there are annoying cases when you face error while trying to install the updates. This error shows like the image below with a message: “Windows 10 couldn’t be installed” and an error code 80240020. It occurs due to the corrupted or interrupted installation folder. Fortunately, we have the solutions for this error. Scroll down to read the methods to fix Windows 10 couldn’t be installed.

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Methods to Fix Windows 10 couldn’t be installed Error [Code 80240020]

Luckily, this is an easy question to solve. Please follow the steps below to get this problem fixed.

Method 1

1) Navigate to C:$Windows.~BT folder. If you cannot see this folder, please make sure that you have checked the hidden items.
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Delete as many files in this folder as you can. You might not be able to delete all the files due to permission problems.

2) Navigate to C:WindowsSoftwareDistributionDownload and delete all the files in this folder.

Please note that you don’t have to delete Download folder, but rather, you need to delete the content in it.
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3) Type cmd.exe in the search box in Start panel and right click the option cmd and choose Run as administrator.

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Click Yes at this prompt.
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4) Type wuauclt.exe/updatenow and hit Enter key.

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Method 2

Warning: Before you proceed with this step, please make sure that you have back up your registry first just in case any irreversible errors happen. Refer to this post to see how to backup and restore your registry.

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1) Press Windows key and R at the same time, then type in regedit and hit Enter. When prompted for administrator permission, click Yes to continue.
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2) Then follow the path:
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionWindowsUpdateOSUpgrade

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3) On the right side of the pane, right click on the blank spot and select New > DWORD (32-bit) Value.
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4) Rename the value to AllowOSUpgrade. Then double click the value and set the Value data to 1. Then click OK to save the change.
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Your Windows Update panel should come out in a couple of seconds. If it won’t open automatically, you can open this panel from Control Panel manually. Then, you should be able to download your Windows 10 from scratch.

Conclusion

The steps above also work if you are having a 80080080 or 8024600A error code. Usually the error is common with Windows 8.1 users, but for those who are using Windows 7, this solution applies as well.

If the problem still persists, please be patient, Windows update takes time to download the upgrades in the background.

If you still could not get this problem fixed, your Windows update tool might be corrupted so the security settings and background process is now malfunctioned. In this case, it is suggested that you burn the DVD or CD or USB flash drive with Windows 10 ISO files in to do the clean install from scratch.

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