The best antivirus software blocks updates to Windows 7

The best antivirus software blocks updates to Windows 7

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Microsoft temporarily suspends automatic updates on computers running Symantec or Norton antivirus programs that do not support SHA-2 signatures Windows 7 users may encounter updates if they use certain antivirus software.

Most popular antivirus software blocks updates to Windows 7 and Server 2008 R2 because they do not support SHA-2 signatures, which Microsoft has started using recently, though they were warned months earlier. Symantec antivirus blocks updates or deletes their files during installation, Microsoft announced on its website.

Symantec products do not support secure SHA-2 hash certificates to which Microsoft is signing updates. Norton also creates problems with updates. Preventive Measures Symantec was warned about switching to a new algorithm six months ago, but that time was not enough for the company to modify its products. In February 2019, Microsoft publicly announced the transition of Windows 7 and Windows Server 2008 to SHA-2.

Microsoft has temporarily suspended automatic installation of updates on devices running Symantec or Norton antivirus software. The company also advises users not to manually install updates. Symantec, for its part, has promised that the upcoming version of Symantec Endpoint Protection will support SHA-2.

Why SHA-2 is needed SHA-2 signatures are required to ensure that the user receives credible updates directly from Microsoft, not files that have been downloaded and modified by another. For a while, Microsoft used a dual signature for updates – both SHA-1 and SHA-2, but now it is giving up SHA-1 completely.

The company explained that the outdated SHA-1 no longer meets industry standards due to accumulated vulnerabilities in the algorithm, increased processor performance, and the development of cloud technologies. SHA-2 still has no such problems. The transition to SHA-2 takes place in several stages. Support for certification of SHA-2 updates for Windows 7 SP1 and Windows Server 2008 R2 SP1 was added in March 2019, and on August 13, Microsoft switched from double signing to using only SHA-2 for these operating systems.

The last step As with other Microsoft systems, in June and July, Windows 10 updates began exclusively with SHA-2 signatures. In fact, the transition is almost complete and Microsoft has only one step left to move exclusively to SHA-2 in Windows Server 2012, Windows 8.1, and Windows Server 2012 R2. It will happen on September 10, 2019. Windows 7, released ten years ago by Microsoft, is still very popular.

As of July 2019, its market share on desktop operating systems was 31.83% versus 48.86% for Windows 10. Extended support for Windows 7 ends in January 2020.

The best antivirus software blocks updates to Windows 7

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