Does this help? https://forums.adobe.com/community/adobe_reader_forums/content?query=windows+10+update%5B/quote%5D
I decided to try to push some buttons on this, and sent an email to the relevant European commissioner, saying
Microsoft seems to be back at its old game of suppressing competition in an uncceptable manner.
The latest "upgrade" of the Microsoft Winows 10 operating system home version comes with a message saying that all hadling of PDF must now be done using Microsofts own software, and that the PDF readers and associated tools provided by other software companies (including Adobe, the company which created PDF) will no longer be allowed to function on the Windows 10 home system and all PDF handling must be done in the Microsoft Edge browser.
That is an attempt to suppress competition much like the ttempt carried out years ago to suppress browser competition, which was rather less vicious - bsck then MS didn't actually disable the other browsers from working. So this is a rather nastier anti-competitive move.
This anti-competitive measure is also technically flawed. Many consumers get regular accounts sent to them in PDF format by banks, credit card and debit ard companies, and other financial operations, so having software to display PDF files and to print them is essential for those consumers. But microsoft's software cannot display or print some of these essential documents, so that for example consumers who have used a UK Post Office credit card for years and received their monthly statements in PDF format can no longer see their stements except as an illegible gobbledegook of smudges and scribbles, utterly meaningless for any practical purpose. (This example is not the only such problem.) This failure to be able to read or print these documents applies not only to new documents, but also to documents that customers received a long time ago and have retained copies of in order to comply with various national laws about being able to prove, if asked, various financial transactions long after their occurrence. So as well as trying to destroy competition microsoft is preventing consumers both from seeing their own accounts and from complying with the law requiring old record to be available.
The damage to consumers who are not trained as professionals in computing risks being serious, and a company's attempt to suppress competition that causes such damage to consumers must be penalised and stopped as soon as possible. People have asked Microsoft to provide a way to use the previously available non-microsoft software, and are fobbed off with instructions that do not, as Microsoft surely knows, work.
It is not of course a big problem for fully qualified computer scientists like myself, although it is certainly a nuisance that I have to change the way I do things merely because Microsoft's greed has yet again demonstrate its utter disregard for its customers. And I don't have an axe to grind on this because it's merely a nuisance, not a problem, and because I retired about a decade ago so it's not going to cause me any problems at work.
I hope to see this terrible attack on competition and on consumers dealt wth appropriately by your team.
It would be useful if she got some mail from more people than just me. So could anyone who agrees that MS are being really stupid here join in are write to firstname.lastname@example.org