File Explorer process always runs with minimal (non-elevated) privileges in Windows. Even if you click the C:\Windows\explorer.exe executable file and try to start it in the ‘Run as administrator’ mode,…
Broadcast protocols NetBIOS over TCP/IP, LLMNR, and mDNS (Multicast DNS) are used to resolve names in Windows networks where there is no (unavailable) DNS server (typically, these are home or…
When you install an IIS (Internet Information Services) web server on Windows, an empty “Default Web Site” is created, listening on the default HTTP port 80. In this article, we…
Shared network folders from file servers can be made available to domain users as network drives using Group Policy. GPO allows configuring flexible rules to automatically map network drives based…
The Invoke-Command cmdlet allows you to execute commands or PowerShell scripts remotely on one or more remote computers
The latest versions of Windows support the DNS over HTTPS (DoH) protocol, which allows domain name resolution (DNS queries) to be performed over an encrypted HTTPS connection. In this article,…
Every experienced Windows administrator has encountered with problems with the Windows Management Instrumentation (WMI) service and its components. WMI is an important subsystem of Windows, and if it malfunctions, the…
The digital signature of a PowerShell script (*.PS1 file) allows you to verify that a known trusted publisher signs the script and that its code has not been modified. The…
To apply new local or domain Group Policy (GPO) settings to a Windows computer, the Group Policy Client (gpsvc) service must read the policy files and apply the setting to…
Thumbs.db (thumbnail cache) is a hidden system file that is automatically created by the Windows File Explorer in folders containing image and video files when the thumbnail preview mode is…