Microsoft Defender AV: Update Signatures from PowerShell

 

Here's how to update your Microsoft Defender Antivirus signatures using PowerShell:

• Open a PowerShell (or Terminal) as Administrator
• Run the following command: Update-MpSignature -UpdateSource MicrosoftUpdateServer
  
  

Now just wait for the process to finish and you're done! :)

Microsoft Defender AV: Update Signatures from Command-Line

 

If you need to update your Microsoft Windows Defender Antivirus signatures, here's how:

• Open a CMD as Administrator
• Run the following command: "%ProgramFiles%\Windows Defender\MpCmdRun.exe" -SignatureUpdate
  
  

Now just wait the process to finish and you're done!

Microsoft Defender AV: Client Logs

 

For everyone implementing Microsoft Windows Defender Antivirus, here's a quick note where to find the client logs and how to use them:

• C:\ProgramData\Microsoft\Windows Defender\Support
• MPLog-######-#####.log
• MPDetection-######-#####.log
• MPCacheStats.log (Defender Only)
  
  

You should use the MPLog to:

• Search Threat Name to locate a record of malware detection.
• Search Scan Source to locate a record of a scheduled scan running or record a running scan that is on demand.
• Search Expensive file to locate an instance of an expensive file detection during a scan.
• Seach on update process

Windows 11 – tcpip.sys green screen of death (GSOD) [Solved]

Hello and greeting to everyone!

Trying to upgrade your machine to Windows 11 via Windows Insider and getting a green screen of death because something went wrong with tcpip.sys driver?

Ok, this one may not work for everyone, but at least for Portuguese readers that have installed Autenticação.Gov application just follow this tip.

Uninstall Autenticação.Gov before upgrading and…you’re done!

It seems strange but, I could not upgrade 3 different laptops (different models and different vendors) and now the upgrade runs like a charm!

Just hope AMA can fix this issue asap so I can fully install the app again.

Intune–Cloud attach your organization!

Here’s an excelent video from Microsoft about how co-management and cloud attach works and all it’s benefits:
Microsoft Intune - Cloud Attach Your Organization

Windows 11–Lifecycle FAQ

Windows 11 changes the Windows lifecycle. Instead of 2 annual releases, it will have just one, with 36 months support for enterprises.

To learn all about the new Windows lifecycle, here’s the Microsoft FAQ:
Microsoft Windows Lifecycle FAQ

Microsoft Windows 11 – Full Event

After a lot of hype, finally Microsoft had it’s Windows June Event presenting the new Windows 11.

Review here the full event:
Microsoft Windows Event - 24th June