Corenexis Blog

AI news, tools and hands-on guides

271 articles on AI models and apps, plus security, browsers, WordPress and Corenexis product updates, written by the Corenexis team.

Chrome Zero-Day CVE-2026-87491: Check Your Version and Update Now
Security

Chrome Zero-Day CVE-2026-87491: Check Your Version and Update Now

Check this first (30 seconds) Open chrome://settings/help in Chrome. If the version number starts with 153.0.8010.36 or anything higher, you already have the fix.…

5 min read
Ubuntu 26.10 Release Date, Features and Download (2026)
Linux

Ubuntu 26.10 Release Date, Features and Download (2026)

Ubuntu 26.10, codenamed "Stonking Stingray," is almost here. The beta is out, the final release is scheduled for October 15, and there is a…

5 min read
Claude Code vs Codex CLI: Which Should You Use? (2026)

Claude Code vs Codex CLI: Which Should You Use? (2026)

Both tools put an AI coding agent in your terminal. Both read your repo, edit files, run commands and fix their own mistakes. So…

7 min read
Ralph Wiggum Claude Code: What It Is and How to Use It
AI

Ralph Wiggum Claude Code: What It Is and How to Use It

In early 2026, one of the most talked-about names in AI coding was a cartoon second-grader. Ralph Wiggum, the cheerful Springfield kid who once…

8 min read
Claude Code Command Not Found: Fix It in 2 Minutes
AI

Claude Code Command Not Found: Fix It in 2 Minutes

You ran the installer, it said it finished, and then your terminal answered claude: command not found . Almost always, Claude Code is installed…

6 min read
Codex CLI Update: What's New in v0.160 (Oct 2026)
AI

Codex CLI Update: What's New in v0.160 (Oct 2026)

Codex CLI has shipped a quick run of releases in the last two weeks, and a few of them change how you use it…

5 min read
Claude "Unable to Authenticate": How to Fix Login Errors on Claude.ai, Desktop and Claude Code
AI

Claude "Unable to Authenticate": How to Fix Login Errors on Claude.ai, Desktop and Claude Code

Seeing "unable to authenticate" or a similar login error in Claude is frustrating, because the message rarely says what went wrong. The cause depends…

9 min read
AI

Gemini 4 Argon vs GPT-6 Astra: Which Frontier Model Wins?

Two of the biggest AI models of 2026 landed within weeks of each other. OpenAI released GPT-6 Astra in September, and Google announced Gemini…

7 min read
ChatGPT Ads Are Coming to Image Generation: What Changes and How to Control Them
AI

ChatGPT Ads Are Coming to Image Generation: What Changes and How to Control Them

OpenAI announced on October 5, 2026 that it will show visual ads while ChatGPT generates images. The test begins later this month in the…

6 min read
Gemini 4 Argon: Google's New Frontier Model Explained (Release Date, Pricing, Access)
AI

Gemini 4 Argon: Google's New Frontier Model Explained (Release Date, Pricing, Access)

On September 30, 2026, Google DeepMind announced Gemini 4 Argon and called it its frontier model for real-world coding, enterprise knowledge work and cyber…

7 min read
Higgsfield AI Supercomputer, $5.4B Raise and 2026 Pricing: Everything That Changed
AI

Higgsfield AI Supercomputer, $5.4B Raise and 2026 Pricing: Everything That Changed

Higgsfield AI raised $400 million at a $5.4 billion valuation in August 2026. Here is what actually changed: the Supercomputer agent, the restructured pricing,…

15 min read
Roseville Flock Camera False Alerts: What the 71% Audit Found and What the City Did Next
Security

Roseville Flock Camera False Alerts: What the 71% Audit Found and What the City Did Next

Roseville Police Department measured its own Flock Safety alerts and found 71% of 1,427 stolen-vehicle and felony hits had misread the licence plate. Here…

11 min read

Most read

  1. ChatGPT Ads Are Coming to Image Generation: What Changes and How to Control Them
  2. Higgsfield AI Supercomputer, $5.4B Raise and 2026 Pricing: Everything That Changed
  3. MSI BIOS Update Tutorial (2026 Full Guide)
  4. Why PolyBuzz (Poly AI) Is the Top AI Roleplay App in 2025
  5. Fix Webpage Constantly Reloading in Browser
  6. Open Weights and American AI Leadership: Why Nvidia, Microsoft, and Meta Signed — But OpenAI, Google, and Anthropic Did Not