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All change for Windows users.<\/span><\/p>\n AFP via Getty Images<\/small><\/div>\n<\/div>\n<\/figure>\n Microsoft is changing Windows on most PCs. Critical Secure Boot certificates will expire for the first time ever in June. First launched in 2011, this Windows change means new certificates must be installed on all devices before the deadline.<\/p>\n Microsoft says<\/a> it is “updating the Secure Boot certificates originally issued in 2011 to ensure Windows devices continue to verify trusted boot software.\u201d<\/p>\n Forbes<\/span>Has Google Secretly Changed Your Chrome Settings?<\/span>By Zak Doffman<\/span><\/small><\/span><\/span><\/p>\n If you bought your PC in the last two years, you\u2019re likely already running new certificates. You can check in your Windows Security App \u2014 details here. For all other users, the new certificates will be included in the regular monthly security updates. Users may have been updated in April, others will be updated in May.<\/p>\n But post April\u2019s update, Microsoft warned<\/a> that this process might trigger additional restarts on your PC. And while this will probably happen in May, if not already, it could happen at any point over the coming months as certificates change over.<\/p>\n \u201cWith recent and upcoming Windows updates over the next few months,\u201d Microsoft says, some users might experience \u201cone additional restart during installation. This one time restart occurs after a Secure Boot certificate update is applied.\u201d<\/p>\n Forbes<\/span>\u2018A Big Deal\u2019\u2014Google\u2019s Gmail Upgrade Is Now Going Live<\/span>By Zak Doffman<\/span><\/small><\/span><\/span><\/p>\n There are other complexities as well. The Windows Update process and Windows Security App will show a PC\u2019s Secure Boot status, with critical red warnings where user \u201caction is needed\u201d before the Secure Boot deadline. <\/p>\n And Microsoft confirms that this update is only applicable to PCs eligible for security updates. That means hundreds of millions of Windows 10 PCs will not get new Secure Boot certificates<\/a> and will face additional risks next month. Ensure you enrol in Microsoft\u2019s extended security update (ESU<\/a>) program if you\u2019re affected.<\/p>\n<\/div>\n