Windows 10 update - The User Profile Service service failed the sign-in

Issue

After upgrading Windows 10 to 20H2 version, a user can no longer log-in with his account. The following error message is displayed.

The User Profile Service service failed the sign-in.
User profile cannot be loaded.

Recover Microsoft Excel 2010 Pinned File Locations

Issue

After upgrading Microsoft Office 2010 to Microsoft Office 365 (2020) user lost pinned items the were saved in Recent Workbooks in MS Excel 2010

Thumbs.db files prevent folder deletion from network shares

Issue

Cannot delete certain folders from a network share from Windows 10 Pro desktop. The folders cannot be deleted because they contain hidden Thumbs.db files which are locked by Windows Explorer (these files are used to speed up the display of image thumbnails in  Windows Explorer icon view). Following error message pops up when trying to delete affected folders.

File In Use
The action can't be completed because the file is open in Windows Explorer
Close the file and try again.
Thumbs.db
Type: Data Base File

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.

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