Forum Discussion
Windows Update error (Your device is missing important security and quality fixes)
Cant update- Cumulative update preview for windows 10 version 20H2 for x64 - based systems (KB5004296) Any solution?
All i know:
Run the Windows Update Troubleshooter: Windows includes a built-in tool for detecting and resolving typical Windows Update errors. To access it, go to Settings > Update & Security > Troubleshoot > Windows Update, and then select the "Run the troubleshooter" button.
Clear the Windows Update cache: Sometimes, corrupt Windows Update cache files can prevent updates from downloading and installing correctly. To clear the cache, open the Command Prompt as an administrator, and then type "net stop wuauserv" followed by "net stop cryptSvc" and "net stop bits". Then, navigate to the "C:\Windows\SoftwareDistribution" folder and rename the "Download" folder to "Download.old". Finally, return to the Command Prompt and type "net start wuauserv", "net start cryptSvc", and "net start bits" to restart the necessary services.
Check for available disk space: Windows updates require a certain amount of free space on your hard drive to install properly. Ensure that you have enough free space on your system drive (usually C:) to accommodate the update.
Disable security software temporarily: Sometimes, third-party security software can interfere with the update process. Try disabling your antivirus or firewall temporarily and then attempt to run Windows Update again.
Run the Windows Update Troubleshooter: Windows includes a built-in tool for detecting and resolving typical Windows Update errors. To access it, go to Settings > Update & Security > Troubleshoot > Windows Update, and then select the "Run the troubleshooter" button.
Clear the Windows Update cache: Sometimes, corrupt Windows Update cache files can prevent updates from downloading and installing correctly. To clear the cache, open the Command Prompt as an administrator, and then type "net stop wuauserv" followed by "net stop cryptSvc" and "net stop bits". Then, navigate to the "C:\Windows\SoftwareDistribution" folder and rename the "Download" folder to "Download.old". Finally, return to the Command Prompt and type "net start wuauserv", "net start cryptSvc", and "net start bits" to restart the necessary services.
Check for available disk space: Windows updates require a certain amount of free space on your hard drive to install properly. Ensure that you have enough free space on your system drive (usually C:) to accommodate the update.
Disable security software temporarily: Sometimes, third-party security software can interfere with the update process. Try disabling your antivirus or firewall temporarily and then attempt to run Windows Update again.