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July 2026 Patch Tuesday: KB5101650 Windows 11 Update
Winsage
July 20, 2026

July 2026 Patch Tuesday: KB5101650 Windows 11 Update

On July 14, 2026, Microsoft released cumulative update KB5101650 for Windows 11 versions 25H2 and 24H2, addressing OS Builds 26200.8875 and 26100.8875. This update includes essential security fixes, updates to Secure Boot certificates, and enhanced Remote Desktop Protocol (RDP) defenses against phishing attacks. It consolidates July 2026's security content, addressing known vulnerabilities and introducing functional improvements. The update is critical for minimizing exposure to identified threats and is prioritized for systems managing remote access or nearing certificate expiration. The update enhances Remote Desktop security by supporting SHA-2 certificate thumbprints while retaining SHA-1 for legacy compatibility. It includes new Group Policy options to mitigate phishing risks associated with malicious .rdp files. The curl upgrade to version 8.21.0 incorporates security patches for command-line tools in Windows environments. Secure Boot certificates are automatically updated through Windows updates, ensuring boot security across various hardware. KB5101650 installs primarily through the Windows Update interface, requiring a restart to activate changes. Enterprise environments can use the Microsoft Update Catalog for manual distribution. A temporary restriction affects certain Dell devices with Intel Innovation Platform Framework drivers, which Microsoft plans to address in a future update. The cumulative update resolves a total of 622 Microsoft CVEs, including 416 affecting Windows components. Users are advised to verify and install the update promptly to secure the full suite of improvements.
What Is Serverless PostgreSQL?
Tech Optimizer
July 12, 2026

What Is Serverless PostgreSQL?

Serverless PostgreSQL is a fully managed cloud database model that separates compute and storage, allowing them to scale independently and automatically based on demand. It eliminates the need for manual infrastructure provisioning and capacity planning, charging only for active usage. Unlike traditional PostgreSQL setups, which require continuous resource allocation and manual scaling, serverless PostgreSQL provisions resources on demand and can scale down to zero during idle periods. Serverless PostgreSQL integrates with serverless compute platforms, enabling analytical queries to access the same data within a unified architecture. Key differences between traditional and serverless PostgreSQL include manual versus automatic provisioning and scaling, fixed versus usage-based billing, and high versus reduced operational overhead. Lakebase architecture is an emerging model that combines transactional databases with lakehouse foundations, allowing operational and analytical workloads to coexist on a single platform. This architecture minimizes data duplication and simplifies access, enhancing data management and analysis. Serverless PostgreSQL operates on a cloud-native architecture that enhances efficiency by allowing compute and storage to scale autonomously. It features scale-to-zero behavior, where compute resources are suspended when inactive and reactivated upon new queries. Major providers include Databricks Lakebase, Amazon Aurora Serverless v2, and Neon, each offering varying capabilities and integrations. Pricing for serverless PostgreSQL typically includes charges for compute resources, storage, and data transfer, with costs fluctuating based on workload activity. Cold start latency is a performance consideration, as reactivating compute resources can introduce delays. Strategies to mitigate this include keeping resources partially active or selecting providers with minimal cold start impacts. Serverless PostgreSQL is well-suited for OLTP workloads, while lakebase architecture is better for AI development, variable workloads, and environments requiring rapid iteration. Setting up serverless PostgreSQL involves choosing a provider, creating a database instance, and configuring access settings. It can also be used alongside serverless compute platforms for analytics, further extending its capabilities.
Microsoft denies WSL 3 exists, reveals Windows 11's WSL Containers ship next week
Winsage
June 28, 2026

Microsoft denies WSL 3 exists, reveals Windows 11’s WSL Containers ship next week

Microsoft has clarified that there is no WSL 3 in development, as stated by Craig Loewen, the Product Manager for the Windows Subsystem for Linux (WSL). The confusion arose from articles discussing a new feature called WSL Containers, which will be launched soon. WSL allows users to run Linux environments on Windows without dual-booting, while WSL Containers enable the creation and management of Linux containers directly within Windows, eliminating the need for third-party tools like Docker Desktop. WSL 1, introduced in 2016, served as a translation layer for Linux system calls, and WSL 2, launched in 2019, included a full Linux kernel in a lightweight virtual machine. WSL Containers is an enhancement to WSL, allowing developers to build, run, and deploy containers directly from Windows using the wslc.exe command. This feature is part of Microsoft's strategy to make Windows a more accessible platform for running Linux workloads, helping to retain developers who might consider switching to other operating systems.
Your Windows PC has a security deadline in June 2026
Winsage
May 28, 2026

Your Windows PC has a security deadline in June 2026

A Secure Boot certificate refresh is being deployed across supported Windows devices via Windows Update. The Secure Boot certificates from 2011 will begin to expire in June 2026, prompting Microsoft to introduce new 2023-dated certificates to maintain security. Most users will require minimal action if their PCs are updated, but older devices may face challenges. The current certificates include: - Microsoft Corporation KEK CA 2011: expires June 24, 2026 - Microsoft UEFI CA 2011: expires June 27, 2026 - Microsoft Windows Production PCA 2011: expires October 19, 2026 The new certificates will remain valid until 2038, with plans for post-quantum cryptography around 2030. While PCs using the 2011 certificates will continue to function, they will lose access to new security protections, making them vulnerable to emerging threats. A notable example of such a threat is the BlackLotus bootkit, which exploited vulnerabilities to bypass Secure Boot. Microsoft's rollout strategy involves a staged update process that typically takes around 48 hours and may require restarts. Users are advised to keep Windows updated and check their Secure Boot status. Known issues may arise for older PCs, systems that bypassed Windows 11 requirements, Legacy BIOS systems, and custom firmware configurations. IT teams managing devices should inventory their systems, monitor specific event IDs, test updates, and document devices that cannot be updated.
Microsoft Rolls Out New Defender Update for Windows 11, 10, and Server Images
Winsage
April 8, 2026

Microsoft Rolls Out New Defender Update for Windows 11, 10, and Server Images

Microsoft released a security intelligence update for Microsoft Defender Antivirus on April 7, 2026, enhancing protection for Windows 11, Windows 10, and Windows Server. The update introduces refined threat detection capabilities to combat malware and zero-day attacks, utilizing advanced detection logic and cloud-based protection. The security intelligence version is 1.447.209.0, engine version is 1.1.26020.3, and platform version is 4.18.26020.6. Updates are automatically delivered via Windows Update, but can also be manually initiated or deployed using standalone installer packages. The update supports legacy platforms, including Windows 7 and Windows 8.1, provided they have SHA-2 code signing support enabled. Additionally, updates to the Network Inspection System (NIS) are available for certain environments.
What Is Conhost.exe?
Winsage
March 31, 2026

What Is Conhost.exe?

Conhost.exe, or Console Window Host, is a legitimate Windows system process responsible for managing the display and behavior of console windows such as Command Prompt and PowerShell. It facilitates text rendering and manages input/output interactions with the graphical user interface. Each time a console application is launched, a new instance of conhost.exe is created, and multiple instances can appear in Task Manager based on active console applications. To verify the authenticity of conhost.exe, it should run from C:WindowsSystem32 or C:WindowsSysWOW64, have a valid Microsoft Windows Publisher digital signature, and not make outbound network connections. High CPU usage or unusual behavior may indicate malware masquerading as conhost.exe. Troubleshooting steps for issues related to conhost.exe include running a malware scan, checking for Windows updates, updating device drivers, and using the System File Checker. Disabling conhost.exe is not advisable as it is essential for the functioning of console applications.
Gold Lapel launches PostgreSQL proxy to tune queries
Tech Optimizer
March 24, 2026

Gold Lapel launches PostgreSQL proxy to tune queries

Gold Lapel has introduced a PostgreSQL proxy that enhances database query performance by acting as an intermediary between applications and PostgreSQL databases. The proxy monitors live queries, identifies issues, and implements optimizations such as creating materialised views, introducing various index types, and rewriting queries. It supports over ten optimization strategies, seven programming languages, four frameworks, and three ORMs, and is available for Linux, macOS, Windows, and Docker. The software includes features like prepared statement caching, in-memory result caching, connection pooling, automatic read replica routing, and security measures including TLS. An observability layer provides a live web dashboard and audit timeline. The pricing model is USD 9 per month per instance, with a site license available for unlimited instances. Gold Lapel has also released a 19-chapter technical book on PostgreSQL performance optimization. The company was founded by Stephen Gibson and is based in San Francisco.
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