Tag Archives: Defender

SCEP/MSE/Defender: Broken Signatureupdate kills Microsoft Antivirus (04/16/2020)

[German]An update, which may contain a broken signature file, has bricked all Microsoft virus scanners (Windows Defender, Microsoft Security Essential, and System Center Endpoint Protection (SCEP)) since April 16, 2020. The service for performing the virus scan simply crashes. A … Continue reading

Posted in issue, Security, Windows | Tagged , , , , | Leave a comment

Advertising

Defender mis-classified Winaero Tweaker as a hacker tool

[German]The tool Winaero Tweaker was mistakenly classified by Windows Defender as a hacker tool or unwanted software and quarantined. But the whole thing seems to be fixed in the meantime. Advertising

Posted in Security, Software, Windows | Tagged , , | 1 Comment

Solution for slow start of Windows Server 2016?

[German]Some administrators are complaining about the slow restart of Windows Server 2016 during update installations. A blog reader contacted me about this and I’m bringing up the topic again in a post. Advertising

Posted in issue, Security, Windows | Tagged , , | Leave a comment

Issues with Defender Update KB4052623 (March 2020)?

[German]On March 24, 2020, Microsoft released update KB4052623 for the Windows Defender anti-malware platform for Windows 10. Since that time, I have received reports of problems; the offline scan is said to be broken and there are unexpected errors. None … Continue reading

Posted in Security, Windows | Tagged , , , , | Leave a comment

Update KB4052623: Microsoft fixes Defender Scan Skip Bug

[German]Microsoft has released the update KB4052623 for the Windows Defender anti-malware platform for Windows 10 on March 24, 2020. This update also fixes the irritating message that files were skipped during a scan. Advertising

Posted in Security, Update, Windows | Tagged , , , , , | 7 Comments

Advertising

Windows 10: Fix for skipped Defender scans

[German]Windows 10 users are facing the behavior, that Windows Defender skips items during a scan and reports this. In the meantime the cause is clear and I present a solution in the blog post. Addendum: Microsoft has issued a fix. … Continue reading

Posted in issue, Security, Windows | Tagged , , | 7 Comments

Windows Server 2019: Defender Performance Issues

[German]Will there be major performance issues during running Windows Server 2019? Then Windows Defender may be the cause, as I read a few days ago. Advertising

Posted in issue, Windows | Tagged , , | Leave a comment

Tamper Protection ported to older Windows 10 versions

[German]Another short report from the middle of the month. Microsoft has back-ported the Tamper Protection feature for Defender from Windows 10 version 1903 to earlier Windows 10 versions.  Advertising

Posted in Security, Windows | Tagged , , | Leave a comment
Advertising

Windows 10: Issues with Defender/Ransomware protection

[German]In Windows 10 there is the Defender, which has an option to protect against ransomware. German blog readers Dekre and Markus contacted me the last days by email to point out inconsistencies. Advertising

Posted in Security, Windows | Tagged , , | Leave a comment

Microsoft Defender ATP Product Brief

Just a note for administrators in corporate environments who want to use or are interested in using the paid Microsoft Defender Advanced Threat Protection. Advertising

Posted in Security | Tagged , | Leave a comment