[German]Since the release of Windows 11, users have complained about problems with color management and that the use of ICC color profiles does not work. Now Microsoft has fixed the problem, which was officially confirmed in 2021, with the preview update KB500835 from January 25, 2022. Here is a brief overview of this issue.
[German]Brief information for administrators who use certificates from the non-profit certification authority Let's Encrypt. Let's Encrypt will revoke certain certificates as of 28. Jan. 2022. The background for the revoke of the max. 90 days old certificates is a bug that was noticed recently. No idea how many websites and services use these free Let's Encrypt certificates. Those who use Let's Encrypt certificates should at least check if they are affected.
[German]Today I have a quick question for users and service providers who own or support Lenovo devices. I have seen reports that these devices (especially in the consumer sector) suddenly no longer boot after a Windows update (possibly January 2022 update). I don't have a lot of information yet – but I'll summarize what I've come across.
[German]It seems that the Adobe Reader DC is causing printin^g issues in Windows since January 2022. I received reports that there have been issues with printing PDF documents since about 2 weeks. It is not an isolated case, because the information came from a company environment, where various users are affected by this effect. There are other readers confirming this behavior.
[German]Microsoft has released some optional, cumulative (preview) updates on January 25, 2022 (D-Week). These are intended to fix various bugs in Windows 10, Windows 11 and in the corresponding Windows Server versions. Below, I provide an overview regarding these updates for Windows 11 and Windows Server 2022.
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[German]Microsoft has released some optional, cumulative (preview) updates on January 25, 2022 (D-Week). These are intended to fix various bugs in Windows 10, Windows 11 and in the corresponding Windows Server versions. Below, I provide an overview regarding these updates for Windows 10 and the Windows Server versions in question.
[German]We are in the so-called D-Week, regarding updates by Microsoft for products like Windows or Office. Whether there are (preview) updates today that anticipate the patches for February 2022, I don't know. But after there were massive problems with the security updates of January 11, 2022, which should be fixed by correction updates, I put together the status as of Jan. 25, 2022.
[German]Security vendor Trend Micro has released a critical update 2380 for its Worry Free Business Security (WFBS). The patch is intended to fix a security issue in a component that makes the antivirus solution vulnerable to attack. What it doesn't reveal, however: To install this critical patch, there must be at least 13 gigabytes of hard drive space on the system drive.
[German]It seems, that the January 2022 security updates like KB5009557 bricks Active Directory Federation Services ADFS-Farm-Servers. I receive a report, where update KB5009557 breaks LDAP queries to domain controllers from a ADFS Farm Server. Here are a few details about that issue.
[German]A critical vulnerability CVE-2021-44738 has been found in the PostScript interpreter of various Lexmark printers. The manufacturer warns about this vulnerability, which allows remote code execution, in a security advisory and provides a firmware update to close the vulnerability. Here is an overview of this vulnerability.
MVP:
2013 – 2016
WIMVP:
2017 – 2020
