Category Archives: issue

Outlook classic: Microsoft fixes accented and extended characters question mark bug

Posted on 2026-03-17 by guenni

[German]Since late January/early February 2026, users have been complaining that Outlook can no longer recognize umlauts and displays them as question marks. Microsoft appears to have recently fixed this issue in Outlook.

Posted in issue, Office, Software, Update | Tagged , , | Leave a comment

Windows 11 Enterprise LTSC 2024: Hotpatch Update KB508489 for Bluetooth

Posted on 2026-03-17 by guenni

[German]A brief note for administrators who have Windows 11 Enterprise LTSC 2024 in their environment. On March 16, 2026, Microsoft released an out-of-band (OOB) update, KB508489, as a hotpatch for this operating system. This update is intended to resolve issues … Continue reading →

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

Outlook Classic: Microsoft investigates Sync and Connect issues

Posted on 2026-03-16 by guenni

[German]Microsoft has confirmed two issues with Microsoft Outlook Classic that are currently under investigation. One issue involves a failed connection to Exchange servers when creating groups. The other issue concerns the synchronization of Outlook clients after a password has been … Continue reading →

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

HP EliteBook 660 G11: Why was BIOS v. 1.08.01 pulled?

Posted on 2026-03-15 by guenni

[German]A blog reader contacted me last week to ask whether BIOS version 1.08.01 for the HP EliteBook 660 G11 had been withdrawn. The revocation of the BIOS version has been confirmed by third parties. However, there is no information about … Continue reading →

Posted in devices, issue, Update | Tagged , , , | Leave a comment

Exchange Online: Permission change on "Public Folders" is denied

Posted on 2026-03-13 by guenni

[German]A question for all Exchange Online tenant administrators. Are you currently still able to set or change permissions for public folders? A blog reader contacted me because he's been having trouble with his tenant for the past few days—he can't … Continue reading →

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

Why ISL Online: Critical factors when choosing a remote desktop solution

[Sponsored Post]In the rapidly evolving IT world, choosing the right remote desktop software is critical for organizations that value security, ease of use and reliability. One provider of secure remote access that has been on the market since 2001 is ISL Online, which presents some considerations for choosing such software below. More ...

Windows 11 25H2: Autoinstall of preview update KB5077241, update GPO from Microsoft changed?

Posted on 2026-03-13 by guenni

[German]Quick question for blog readers who use Windows 11 24H2 or 25H2 and install preview updates. A blog reader contacted me this a couple of days ago, because various updates, which are normally optional, were installed automatically on his computer. … Continue reading →

Posted in issue, Update, Windows | Tagged , | 1 Comment

Mail delivery issues on Microsoft servers (hotmail etc.)? Feb. 25, 2026

Posted on 2026-02-25 by guenni

[German]A quick note to readers who use Microsoft email accounts. A reader informed me this morning that there are massive delivery problems to Hotmail addresses. There is also a second reader report in the discussion area asking about email problems … Continue reading →

Posted in issue | Tagged , , | 1 Comment

Outlook Classic: Bug hides mouse pointer (also in other MS 365 apps)

Posted on 2026-02-25 by guenni

[German]Outlook Classic users are once again plagued by a silly bug that Microsoft has built into the software. The bug causes the mouse pointer to disappear unintentionally. It can also affect OneNote or other MS 365 apps. Microsoft has finally … Continue reading →

Posted in issue, Office, Software | Tagged , , , | Leave a comment

Windows 11 24H2-25H2 Update KB5074109: Uninstall fails with error 0x800f0905

Posted on 2026-01-25 by guenni

The security updates for Windows released on January 13, 2026 are causing major problems, and Microsoft has had to release corrective updates. In the case of crashes in apps and Outlook Classic, uninstallation was even recommended. This is unfortunate for … Continue reading →

Posted in issue, Update, Windows | Tagged , , , | Comments Off on Windows 11 24H2-25H2 Update KB5074109: Uninstall fails with error 0x800f0905

Windows: Out-of-Band updates fixes Outlook freezes (Jan. 24, 2026)

Posted on 2026-01-25 by guenni

There are various issues caused by the security updates for Windows released on January 13, 2026. Among other things, issues with Outlook Classic when retrieving POP mail or program freezes have been reported. On January 24, 2026, Microsoft released out-of-band … Continue reading →

Posted in issue, Update, Windows | Tagged , , , | 1 Comment