If you are still on Windows 7, you may have already noticed that there is an anti-malware named : Windows Defender. Show
1. Windows Defender no longer wants to updateIn our case, our anti-virus automatically disables Windows Defender. So, you click on this message
and Windows Defender appears. Windows Defender can find definition updates from the Microsoft Security Portal. Windows Defender even tries to download them. Then, Windows Defender shows you that it's not up to date with an orange message asking you to check
for updates. Plain Text The program cannot install definition updates. Error detected: 0x800b0109. A certificate chain was processed but ended with a root certificate that is not trusted by the trust provider. 2. Troubleshoot installing Windows Defender definitions updatesIf you do your research on the Internet, you may come to
"Security intelligence updates for Microsoft Defender Antivirus and other Microsoft antimalware" Microsoft's page at some point. By clicking on the "2019 SHA-2 ..." link on the page mentioned above, you will arrive on the "2019 SHA-2 Code Signing Support requirement for Windows and
WSUS" page on the Microsoft site. With these informations, you know that you need to
install "KB4474419" and "KB4490628" updates to fix this issue on Windows 7.
On this site, find the updates corresponding to the "Windows 7" product and each time choose the update for your Windows 7 architecture :
Once the updates are downloaded, you will have 2 ".msu" files like this. Double click on the "windows6.1-kb4474419-...msu" file to install it and validate by clicking on Yes. Wait while this update is installed. After the update is installed, click Close. Start the installation of the other update (KB4490628). Now, click on "Restart now" to finish installing these 2 Windows updates. While Windows is shutting down, this message will be displayed : Plain Text Step 1 of 2 Configuring Windows Updates xx% completed Do not turn off your computer Then, the computer will restart and the Windows 7 logo will appear. Then, this message will be displayed : Plain Text Step 2 of 2 Preparing to configure Windows. Do not turn off your computer Then, this other message will appear. Plain Text Step 2 of 2 Configuring Windows Updates xx% completed Do not turn off your computer. Once back in Windows 7, search "Defender" in the start menu and launch the "Windows Defender" program. Click on the "Check for updates now" button. Wait while checking for updates. Windows Defender downloads new definition updates from the Microsoft Security Portal. Then, Windows Defender installs the new downloaded updates. As you can see, the "Your program is up-to-date" message is displayed and the spyware definition downloaded is one day old. Can I still update Windows Defender in Windows 7?For reference, Windows Defender on Windows 7 will get updates until January 2023, despite Windows 7 reaching EOL in January 2020, and Windows 8.1 will get Windows Updates until 2023.
Is Windows Defender compatible with Windows 7?If your computer is running Windows 8, you can use the built-in Windows Defender to help you get rid of viruses, spyware, or other malware. If your computer is running Windows 7, Windows Vista, or Windows XP, Windows Defender only removes spyware.
How do I fix Windows Defender in Windows 7?Windows Defender Not Working?. Update the Windows Operating System. ... . Reset Windows Security. ... . Uninstall the Third-Party Antivirus Program. ... . Restart the Security Center Service. ... . Turn On Windows Defender From Registry or Group Policy Editor. ... . Perform a Clean Boot on Your Windows PC. ... . Fix Windows' Corrupt System Files.. How do I update Windows Defender version?How to Trigger a Microsoft Defender Update. Launch Windows Security through the Start menu and select Virus & threat protection.. Under Virus & threat protection updates, click on Protection updates.. Select Check for updates, and Windows Security will attempt to download the latest updates from Microsoft.. |