You've probably got PDF file association set to open in a browser like Edge or Chrome so change it to Adobe Acrobat.

How to set Acrobat Reader or Acrobat your default PDF program on Windows 10

FYI: They state:

Standard Legal's PDF Format - Ask Standard Legal


REQUIREMENT #1: to open and use any Standard Legal PDF, you must have either the FREE Adobe Reader or the commercially...

FYI: It doesn't seem to be Group Policy issue (gpedit.msc) as you stated. The error message mentions security policy. (secpol.msc)

[Fixed] EFI USB Device Blocked by Current Security Policy
...

You are on Windows 10 so I don't know why you see this update. It's for Windows 11.

https://www.catalog.update.microsoft.com/Search.aspx?q=kb5035942

Click the links on the page for more info.
...

This might be of interest but I have never run this particular fix:


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I read that it's possible to export Group Policies from another machine then import them. I've never tried that...

Settings don't stick unless you choose to save them to file.


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I haven't needed JRE for years. What's the program that needs it installed?

Parsing MFT probably won't reveal anything useful. Here's a link to a couple of screenshots when I used a no longer available utility to parse MFT.

Looking inside MFT - Windows 7 Forums

RE: Registry Clean button

The best I can come up with is just exclude everything so that it cannot be cleaned even accidentally. I've never run the registry clean component on the machine that I'm...

Actually I stand corrected. I just ran 590 on another machine with hacks applied and I see:


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There is a warning that it is more than 30 versions out of date so must be updated. I just...

If you want portable:


https://download.ccleaner.com/portable/ccsetup578.zip

If you want PRO then you'd have to activate it and I've never actually tried the PRO version.

Yes, that's Slim Build 578 but if you have need the PRO version it's not the one to download.

Then you'd have to disable update checks.

I use Winapp200l to update winapp2.ini

RE: Easy Clean' tab

The only way to remove that is to use an old version of Ccleaner and apply the registry hacks.


https://download.ccleaner.com/slim/ccsetup578_slim.exe

Then you'd need to...

I do see connection attempts which fail due to hosts file block.


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From memory there is a ccleaner emergency update scheduled task that could be deleted.


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If you right click it then you'll find that it's a copyable/ pasteable link to open the page at that section. Try copying the link into a new tab and you will see what I mean.

Mobile Broadband.

How Does 5g Home Internet Work? | T-Mobile 5G Home Internet

Search Mobile Broadband Explained

Block in whatever firewall you are using and add these to your HOSTS file.



0.0.0.0 ncc.avast.com
0.0.0.0 ncc.avast.com.edgesuite.net
0.0.0.0 license.piriform.com
0.0.0.0...

It's actually named "Arial Black" but it is a bold text font.


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Here it is zipped. Unzip and click files to install.

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It shows up for me and I have never installed any additional fonts. I just use the ones provided with windows.


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You could just navigate to:

C:\Windows\Fonts

Then copy Arial font...

Actually reading your post again you've already answered the question. Font Substitute = Arial Black so that's what your current system font is.


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Look here:

Change Default System Font in Windows 10

So I've changed default to Segoe UI Black as you can see in this screenshot.


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Editing that value should suffice but I'm sure...

I mostly use PotPlayer and sometimes see issues with video playback. MKV seems to be an issue quite often.

My solution: Convert video to another format and test playback. If MKV format is a must...

It seems likely that you installed WSL

https://learn.microsoft.com/en-us/windows/wsl/about

How to Completely Uninstall WSL on Windows 10 & 11