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Questions and Answers

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  • Questions and AnswersWindows 10Windows 11Windows Server 2022

    VPN Error 633: The modem is already in use or not configured

    January 21, 2025

    Attempting to connect to a VPN server from Windows may result in error 633: Error 633. The modem (or other connecting device) is already in use or not properly configured.

  • PowerShellQuestions and AnswersWindows 10Windows 11

    Get the Computer Uptime (Last Boot Time) on Windows

    January 13, 2025

    There are several ways to find out how long Windows has been running (uptime) since the last boot.

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    Hardware Graphics Acceleration Causes Visual Glitches in Microsoft Office Apps

    December 23, 2024

    Some users may experience poor performance in Microsoft Office apps (Word, Excel, PowerPoint, Outlook) on computers with integrated or old graphic cards. For example, when scrolling through a document, the…

  • Questions and AnswersWindows 10Windows 11

    Fix: Windows Update Tab (Button) is Missing from Settings

    December 16, 2024

    Windows Update Tab is Missing from Settings -> Update & Security On one of the user’s computers, I encountered a situation where the Windows Update section disappeared from the Settings…

  • PowerShellQuestions and Answers

    Validating AD User Credentials with PowerShell

    October 8, 2024

    In PowerShell scripts that prompt for a username and password, you sometimes have to validate the entered user credentials before performing any actions. If the user has entered an incorrect…

  • Questions and AnswersWindows 10Windows 11

    How to Add or Reinstall the Microsoft PDF Printer on Windows

    October 1, 2024

    Windows 10 and 11 have a pre-installed virtual printer called Microsoft Print to PDF. A document or web page sent to this printer will be converted to a PDF file.…

  • Questions and AnswersWindows 10Windows 11

    Prevent Users from Changing Their Passwords in Windows

    July 24, 2024

    An administrator can prevent users from changing their account password on Windows. It is possible to either hide the password change dialogue box or completely disable the ability to manually…

  • Questions and AnswersWindows 10Windows 11Windows Server 2019

    Fix: Multiple Connections to a Server or Shared Resources by the Same User

    July 16, 2024

    When connecting shared network folders via net use or the File Explorer GUI on Windows, there is sometimes some rather strange behavior. For example, you may receive the error:

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    Permanently Disable Driver Signature Enforcement on Windows 11

    July 8, 2024

    By default, Windows requires all device drivers to be digitally signed. If a driver is not digitally signed or the signing certificate has been revoked, Windows will refuse to install…

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    Fix: Your IT Administrator Has Limited Access to Virus & Threat Protection

    March 22, 2024

    On one of the computers, the Virus & Threat Protection tab disappeared from the Windows Defender settings. And when I tried to open the Windows Security app settings, I got…

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