Can't access default admin share C$ - Access is denied

Issue

Cannot access default administrative share C$ on a Windows 10 PC from another Windows 10 PC in a Workgroup. When trying to access \\PC-Name\C$ Windows network credential prompt pops up, but after entering correct username and password, Access is denied message is displayed.

0962 can t access default admin share 1

Windows Security
Enter your credentials to connect to: <PC-Name>
Access is denied

Windows 10 login nag screen - Let's finish setting up your device

After setting up Windows 10 PC with a local user account, Microsoft keeps pushing to switch to Microsoft account by occasionally displaying below screen during login. There is no obvious way to permanently disable the offer. Continue button takes you to the Microsoft account setup screen. Remind me later only temporarily dismissed the screen.

Let's finish setting up your device

Let's finish setting up your device.
Your device needs to connect to a few more Microsoft services to help you work more easily and securely across all your devices. Select "Continue" to get started in just a few clicks.

Can't install Office 365 because of Single Image 2010 leftovers

Issue

Microsoft Office 365 (Windows 64bit version) installation fails with error: Couldn't Install Office.

Couldn't install Office

Couldn't install Office
This installation is for the 64-bit version of Office, but the following 32-bit Office applications are already installed on this computer:
Microsoft Office Single Image 2010
Want to install 32-bit Office, which will work with your 32-bit applications? Select "Install 32-bit". If you want the 64-bit version, select "Cancel", uninstall your 32-bit Office applications, and start this 64-bit installation again.

The error is pretty self-explanatory. The problem is that Microsoft Office Single Image 2010 is nowhere to be found on the computer.

HP Envy 5000 and Bitdefender Firewall don't play together

HP Envy 5000

I had an unwritten rule from a long time ago to never bother with third-party software firewalls and only stick with built-in Windows Firewall. In my experience, third-party firewalls (that come with endpoint security packages) never play nicely on business networks. Recently, I broke that rule while deploying Bitdefender endpoint security solution for a small business. I left the firewall enabled during testing and it didn't seem to cause any issues. I thought, well maybe it's time to throw away my unwritten rule and embrace Bitdefender firewall.

That came to bite me a few weeks later. One of the home users rang complaining that he could no longer print to his HP Envy 5000 printer. Scanning worked fine, but Windows was showing the printer as offline. Quick network check didn't indicate any issues. The printer was online, on its usual IP address, even HP printer utility was showing the printer as online with correct remaining ink status and settings accessible as usual.

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