Security News > 2020 > October > Windows 10 now blocks some third-party drivers from installing
Microsoft says that Windows 10 and Windows Server users will be blocked from installing incorrectly formatted third-party drivers after deploying this month's cumulative updates.
Starting with the October 2020 updates, Windows requires DER-encoded PKCS#7 content to be valid and correctly embedded in catalog files.
Earlier this month, Microsoft said that customers who install the optional KB4577062 update for Windows 10 versions 1903 and 1909 may encounter issues upgrading on devices where HTTP Internet access for LOCAL SYSTEM accounts is blocked using a firewall.
Until a fix is available, the company encourages customers to work around this issue by re-enabling HTTP access to the Internet to the Windows 10 Setup Dynamic Update.
Microsoft also fixed Internet connectivity and Windows Subsystem for Linux 2 issues with the release of the KB4577063 non-security preview cumulative update for Windows 10 2004.
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