windows and or Microsoft issues - Microsoft Community


cant open microsoft edge, mail, microsoft store. class not registered error message.  even start button unresponsive.

i had similar when if tried open jpg picture. complained , reported 'class not registered'. in case did use 'open with' option , pick app open with, re-registering jpg picture app. after well.

now, know yours not jpgs, maybe same apply if try either set apps default app or maybe try resetting ms defaults.

<start> <settings> <system> <default apps> , make sure web browser set edge , mail set mail app. if already, try changing them else makes sense ( example change browser ie ) , change edge. if not help, try of other listed options 'resetting ms recommended defaults'.

can't guarantee help, shouldn't harm.

more details here - https://www.howtogeek.com/223144/how-to-set-your-default-apps-in-windows-10/

edit - sorry, didn't notice <start> not responding either. [win] key open menu, or try pressing [win] + [i] keys open settings.

also, there lot more here read , try if above not work - http://windowsreport.com/class-not-registered-windows-10/ no need download anything, read , try.



Windows / Windows 10 / Performance & system failures / PC



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