What to do if Win7 fails to upgrade to Firefox 100 version What to do if Win7 fails to upgrade to Firefox 100 version

What should I do if Win7 fails to upgrade to Firefox 100 version? Recently, many browsers have been upgraded to version 100, but some Win7 users reported that they encountered errors when upgrading to version 100 of Firefox and were unable to upgrade normally. According to Microsoft’s official website, this should be due to a lack of installation. Caused by upgrading the patch package. Let’s take a look at the solution below!

Win7 upgrade to Firefox 100 version failed solution

It is understood that this is also because the Firefox 100 version uses SHA-256 instead of the previous SHA-1 Summary to make changes to the program installation signature.

2. The SHA-256 digest of win7 was added in the KB4474419 security patch, so you only need to download and install it to solve the problem.

3. Just search for "KB4474419" on the web page and enter the Microsoft official website to easily install this patch package.

#4. In fact, Microsoft gave up SHA-1 digest in 2019.

5. Therefore, they pushed the KB4474419 upgrade to consumer messages at that time to solve this problem.

6. However, very few software packages have used this abstract in the past, so there will be no problem even if there is no upgrade.

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