This error will result in automatic system restarts, sudden screen freezing and sometimes it will automatically close all your active programs. The users find this very annoying and the personal workspace is frustratingly disturbed due to this error. The user is notified by Windows as follows:
What Causes Windows Update Error Code 0x80070437?
Several reasons have been enlisted based on users’ feedback and the review of concerned official authorities that may cause Error Code 0x80070437 during Windows 10 update. This error may occur due to any of the reasons listed below:
Pre-requisites:
Before proceeding towards solutions, our recommendation is to try these short fixes that may help resolve the error. But if the error still appears, these fixes will downsize the factors behind this error and you can go for the solutions provided in the next section. The short but promising fixes are mentioned below:
Free up Some Disk Space: As listed in the causes above, check your drive space according to the Windows bit version you are using and if you do not have enough disk space then you can free up space by reading this article.Unplug Extra Hardware: Remove all external storage devices such as drives, docks or any hardware you might have plugged into your device that is not currently in use.Disable/Remove Third-party Security Software: Try to use Windows Defender to protect your device during the Windows update installation. Non-Microsoft antivirus software sometimes cause errors while Windows upgrade. You can temporarily disable or remove the third-party security software by following these steps: Open “Control Panel” > “Programs” > “Programs and Features” > select the “Third-party Software” > “Uninstall” > “Yes”.Repair Hard Drive Errors: Sometimes the hard drive errors result in problems like the one under consideration so it is better to run a hard drive repair mechanism. To repair the hard drive errors follow these steps: Open “Command Prompt” > type “chkdsk/f C:” > press “Enter”. After the repair is complete, you will be asked to restart your device.Restore & Repair System Files: This error might appear due to some damaged or corrupted system files. Try to restore or repair system files by the given steps: Open “Command Prompt” > type “DISM.exe /Online /Cleanup-image /Restorehealth” > press “Enter”.Run Malware Scan: Sometimes malware can interrupt the installation of updates and results in error. Follow these steps to scan the system for malware: Windows Security>Virus and Threat Protection>Quick Scan.
If none of these worked out for you then it points to only one problem, that is: Windows Defender Firewall Services startup is not set to Automatic. Everything has been explained in the solution below.
Enable Windows Defender Firewall Services
Windows Update Error Code 0x80070437 can be resolved by enabling the Windows Defender Firewall Services. Somehow, during the Windows Update installation firewall gets disabled and the system shows up the error. This can be because of multiple reasons i.e., Windows security update enforces Defender Firewall to go down, Windows update patch is corrupted due to failed internet connection during the process, etc. During the installation of updates, it is usually recommended to use Windows Defender Firewall to avoid any errors as it first scans the update patch, verifies with the authorities information available on Microsoft Servers, and then heads towards downloading and installation process. Follow the steps given below to enable the Windows Defender Firewall:
