• Mac,  Printers

    Can’t print to a HP printer with my Mac

    Are you seeing an error such as “hpPostProcessing.bundle will damage your computer. Report malware to Apple to protect other users” when trying to print to HP LaserJet printer on Mac OS Catalina? I saw this issue on Wed 28th Oct 2020 and found out later that HP unintentionally revoked certificates which has caused the operating system to think the HP…

  • Printers

    HP LaserJet M451 Win10 Print Driver

    After installing the latest drivers for the HP LaserJet M451 (Oct 2015) I had an issue where the drivers installed fine however the device would not show up in device manager. Solution: On the printer front panel go to the Service Menu Find HP Smart Install and set it to off Now Smart Install should be disabled and the device…

  • Office365

    Unblock a spam user account in Office 365

    I had a client who couldn’t send emails anymore. When he emailed someone he received a bounce back error saying “Your message couldn’t be delivered because you weren’t recognized as a valid sender. The most common reason for this is that your email address is suspected of sending spam and it’s no longer allowed to send email. Contact your email…

  • Compact

    Compact list of iPhone Tips and Tricks

      A compact list of iPhone Tips and Tricks. This page is constantly updated, come back later for new tricks. Latest Update: 11/Jan/2020 General Tricks: Search: Swipe down from the middle of the screen. Control Center: Swipe down from the top right hand corner. Undo: Shake your phone to undo what you were typing/doing. Announce Calls: If you are working…

  • Networking

    How to set up a VPN in Windows

    Using a VPN (Virtual Private Network) in Windows will use a secure “tunnel” connection between your PC and the VPN provider. This secures and encrypts the data which means no one or ISP can see what is happening on your internet connection such as websites visited. VPN’s are commonly used to surf websites in private at home or connect to…

  • Windows Tips

    Backup and restore device drivers in Windows

    Need to grab the drivers from one PC to use on another? Here is an easy way to backup all of your windows drivers using Microsoft’s DISM utility: Search for cmd (Command Prompt), right click on it and run it as an administrator. Create a folder to save your drivers to such as c:\drivers Type in: dism /export-driver /destination:C:\drivers To…

  • Printers,  Windows Tips

    How to add and remove a printer via Powershell in Windows

    Click on the Start button and type powershell. Right click on powershell and click run as administrator. To Add a printer (Local) Type Add-Printer -Name “PrinterName” -DriverName “HP LaserJet 2300” -Port USB001 To Add a printer (Network) Type Add-Printer -ConnectionName \\printServer\printerName To Remove a printer Type Remove-Printer -Name “PrinterName” To List printers Type Get-Printer | Format-List NameThis Powershell command is…