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It's not Windows 12, but Microsoft just shared these wallpapers celebrating 12 years of Windows Insiders
Winsage
October 19, 2026

It’s not Windows 12, but Microsoft just shared these wallpapers celebrating 12 years of Windows Insiders

Microsoft celebrated the 12th anniversary of the Windows Insider Program by releasing a collection of special wallpapers inspired by the Windows Bloom wallpaper from Windows 11. The wallpapers come in various colors, including blue, white, green, orange, and purple, with dark-theme options available. Insiders received a download link and an email from Microsoft containing these wallpapers. Microsoft expressed gratitude to Insiders with a message and noted that the program had been refreshed earlier this year, leading to an increase in the frequency of Insider builds. Additionally, Windows Insider meetups were reintroduced, with events held in cities like Seattle, New York City, Hyderabad, Taipei, San Francisco, and London. Microsoft has also improved the Xbox platform based on community feedback, highlighting the importance of maintaining engagement with Insiders for the benefit of all Windows users.
Latest Windows Updates Introduce Exchange Server Issues
Winsage
October 19, 2026

Latest Windows Updates Introduce Exchange Server Issues

Organizations using on-premises Microsoft Exchange Server are experiencing stability issues after the October 2026 Windows Server updates, which Microsoft has confirmed can lead to unreliable Exchange services, especially in environments with heavier workloads. Administrators have reported problems such as connectivity failures with Outlook on the web, disruptions in mail flow, and complications with database availability groups (DAG), all emerging post-update. This bug affects Exchange Servers on Windows Server versions 2016, 2019, 2022, and 2025. Microsoft has identified that the issue is related to limitations in Endpoint Mapper requests and has recommended a registry-based mitigation to improve capacity and reduce service degradation. The default limit of 512 simultaneous Endpoint Lookup calls may be insufficient under heavy load. Microsoft is investigating the issue and will provide further information. Organizations are advised to maintain critical security updates while implementing additional mitigation measures and closely monitoring affected systems until a long-term solution is found.
Windows/Exchange Server October 2026 issue: Analysis and Workarounds
Winsage
October 17, 2026

Windows/Exchange Server October 2026 issue: Analysis and Workarounds

On October 13, 2026, Microsoft released security updates for Windows Server that unintentionally affected Microsoft Exchange Server, causing significant disruptions approximately 24 hours after installation. Users reported issues such as database services failing, resulting in unresponsive email and Outlook Web Access access. Microsoft acknowledged the problem and is investigating it. The updates targeted supported Windows Server and Microsoft Exchange versions 2016, 2019, and SE. By October 15, reports of severe issues, including the inability to connect to the server and halted email delivery, emerged. The error message associated with the disruption is "MapiExceptionMdbOffline: Unable to make connection to the server. (hr=0x80004005, ec=1142)." Despite these issues, the Exchange Admin Center still showed databases as connected and mounted. Unofficial workarounds, including a registry edit and a PowerShell script, have been suggested to mitigate the problems.
Faster protection, fewer interruptions: How Microsoft Edge is rethinking updates
Winsage
October 16, 2026

Faster protection, fewer interruptions: How Microsoft Edge is rethinking updates

Microsoft Edge is developing a seamless-updates prototype that allows security updates to be applied without interrupting users' work. Currently, the browser has a Restart to update on idle feature that applies updates when devices are not in use. The goal is to eliminate the need for users to click an update button, enabling background updates that do not disrupt ongoing tasks. Microsoft Edge can also issue patches independently of the Chromium release schedule for urgent security needs. Additionally, Security Update Alerts help organizations manage updates by notifying administrators about critical updates and vulnerabilities. These alerts are available for managed Windows devices through the Edge management service without additional licensing.
How to protect your PC from malware
Tech Optimizer
October 16, 2026

How to protect your PC from malware

Malware, short for "malicious software," is designed to gain unauthorized access to computers or networks for purposes such as data theft and surveillance. It can be introduced through disguised software or deceptive links. To protect against malware, it is essential to install antivirus software, scan external drives before connecting them, be cautious about downloads, avoid suspicious websites and emails, update applications regularly, enable Tamper Protection on Windows, minimize file sharing, enable Firewall protection, watch out for phishing attacks, and back up data regularly. The future of malware protection may involve leveraging artificial intelligence and machine learning to enhance detection and analysis of threats.
Microsoft Patches Record 1,413 Vulnerabilities, Including Exploited Windows Zero-Day
Winsage
October 14, 2026

Microsoft Patches Record 1,413 Vulnerabilities, Including Exploited Windows Zero-Day

Microsoft's October 2026 Patch Tuesday updates addressed 1,413 vulnerabilities, including 1,102 in Windows, 134 in Office applications, 61 in developer tools, and 36 related to SharePoint Server. This total surpasses the vulnerabilities fixed by Microsoft in all of 2025, with over 4,000 vulnerabilities resolved in 2026. A critical zero-day vulnerability, CVE-2026-96951, with a CVSS score of 8.8, was also patched; it allows attackers to bypass Windows shell security features. The Cybersecurity and Infrastructure Security Agency (CISA) has included this vulnerability in its Known Exploited Vulnerabilities catalog. Additionally, two publicly disclosed vulnerabilities were patched, and Microsoft introduced 'risk cohorts' to help manage security updates.
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