Firefox may be updating its blocklist, which is used to block malicious extensions, vulnerable plugins, revoked certificates and graphics drivers known to cause crashes.For more information, see Blocklisting (Mozilla Wiki), Blocklisting/Graphics (Mozilla Wiki), the Revoking Intermediate Certificates: Introducing One CRL blog post and the article Add-ons that cause stability or security issues are put on a blocklist.One of the issues with the forced and automatic updates in Windows 10 is that - on occasion - a broken update will be included and fail to install.When this happens, Windows will try to download and install it each time you shut down or start your PC.Although Windows updates can bring good things, they can be really annoying - and can even prevent you from using your computer if they fail to install. If, like most people, your computer runs Windows 10 Home, then you have less control over updates.However, Microsoft has realised the error of its ways and in the latest version of Windows 10 you can prevent restarts during your 'Active Hours'.If you’re still having trouble after running the troubleshooter (or if you’re the type that just likes to do things yourself), performing the same actions manually may help where the troubleshooter didn’t.We’re also going to add the extra step of booting into Safe Mode first, just to make sure that Windows can really let go of that cache of Windows Update downloads. On Windows 7, restart your computer and press the “F8” key on your computer while it boots to access the boot options menu, where you’ll find a “Safe Mode” option.
Follow the steps below,1) Search for in Cortana/Search box and open it.2) Find Windows Update in the services list.3) Double click Windows Update services.
Windows Update automatically installs important updates as they become available.
But some users will not want automatic updates as it might take up system and network resources when they are doing critical work.
Windows 10 is a service, which means automatic updates are turned on by default and your PC always has the latest and best features.
With automatic updating, you don’t have to search for updates online or worry that critical fixes or device drivers for Windows might be missing from your PC.
Some people are concerned about the connections Firefox makes to the Internet, especially when those connections are made for no apparent reason (see Mozilla's Firefox Browser Privacy Notice for additional information).