Fix GitHub CLI “EXPKEYSIG 23F3D4EA75716059” on Ubuntu
If sudo apt update has suddenly started failing with something like: EXPKEYSIG 23F3D4EA75716059 or: NO_PUBKEY 5612B36462313325 and the error mentions cli.github.com, your GitHub CLI keyring is...
View ArticleWindows 11 Remote Desktop Broken After KB5124008? Fix
If Remote Desktop suddenly started dropping connections, refusing sign-ins or getting stuck on: Please wait for the Remote Desktop Configuration after installing KB5124008, this one isn’t your RDP...
View ArticleGitHub Actions “Node.js 20 Actions Are Deprecated” — Fix
If your GitHub Actions runs have been showing: Node.js 20 actions are deprecated don’t ignore it any longer. GitHub removed Node 20 from GitHub Actions runners on 23 September 2026. JavaScript actions...
View ArticleFix “xcrun: error: invalid active developer path” on Mac
After a macOS update you might find that Git or another command-line tool suddenly fails with: xcrun: error: invalid active developer path First check what macOS is currently using: xcode-select...
View ArticleFix Codex “GitUnavailableError” on Mac
Codex suddenly failing tasks or automations with: GitUnavailableError Git may actually be installed. On macOS, the problem can be that the Xcode licence hasn’t been accepted. A recent Codex report...
View ArticleUsing Codex? Check Your Version for the Plugin4Shell Fix
If you use Codex with plugins, it’s worth checking your version today. A newly disclosed vulnerability dubbed Plugin4Shell could allow the code behind an already trusted plugin to be changed after...
View ArticleXcode 27 “Multiple Commands Produce” After Updating? Fix
Updated to Xcode 27 and suddenly getting: Multiple commands produce for a framework that built fine before? If you’re using Swift Package Manager, check whether the same framework is being linked by...
View ArticleXcode 27 Simulator “Incompatible”? Here’s the Fix
Updated to Xcode 27 and suddenly your existing simulator shows as Incompatible or you can’t create the iPhone simulator you were using before? Don’t recreate your project. Check the simulator runtime...
View ArticleWhere Has the iOS Simulator Gone in Xcode 27?
Updated to Xcode 27 and wondering where Simulator.app has gone? It isn’t a broken Xcode installation. Apple has replaced the old standalone Simulator app with Device Hub in Xcode 27. Open the...
View ArticleXcode 27 “iOS Deployment Target” Build Error — Fix
Updated to Xcode 27 and suddenly seeing an error like: The iOS deployment target 'IPHONEOS_DEPLOYMENT_TARGET' is set to 12.0, but the range of supported deployment target versions is 15.0 to 27.x...
View ArticleDocker Desktop Stuck on “Starting the Docker Engine”? Fix
Docker Desktop stuck on Starting the Docker Engine and never actually starts? If you’re using the WSL2 backend on Windows, try resetting WSL before reinstalling Docker. Quick Fix Quit Docker Desktop...
View ArticleXcode 27 Crashes When Typing? Here’s the Fix
If Xcode 27 crashes as soon as you start typing code, the problem may be its enhanced code completion ranking. Apple has confirmed this as a known issue and there’s a quick workaround. Open Terminal...
View ArticleFix Codex “Ran Out of Room in the Model’s Context Window”
Codex recently stopped halfway through a coding task with: Codex ran out of room in the model's context window The obvious option is to start a completely new thread, but that can lose useful context...
View ArticleFix “Invalid Active Developer Path” on macOS
Updated macOS or Xcode and suddenly Git has stopped working with: xcrun: error: invalid active developer path This usually means the Xcode Command Line Tools path has been broken by the update. The...
View ArticleCodex Burning Through Your Usage? Try This Quick Fix
Codex suddenly burned through my entire 5-hour usage allowance after just a couple of relatively simple changes to an iOS app. That didn’t seem right. I’d previously done far more complicated work in...
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Aqara Roller Shade Driver E1 Stuck With Solid Red Light? Try This
My Aqara Roller Shade Driver E1 suddenly became completely unresponsive. The Up and Down buttons did nothing, Aqara Home couldn’t connect to it and plugging in USB-C just gave me a solid red light....
View ArticleFix Git “Your Local Changes Would Be Overwritten by Merge”
Trying to git pull and getting: Your local changes to the following files would be overwritten by merge Git is stopping the pull to protect changes you haven’t committed yet. Keep Your Changes...
View ArticleFix Xcode “Device Is Unavailable Because It Is Unpaired”
Xcode suddenly showing your iPhone as: Device is unavailable because it is unpaired even though you’ve used the same device for development before? I hit this after Xcode stopped recognising an iPhone...
View ArticleFix Cloudflare D1 “Daily Row Read Limit” Error
Getting this from Cloudflare D1? Your account has exceeded D1's free tier daily row read limit Cloudflare now enforces the D1 Free plan limit of 5 million rows read per day. Once you hit it, queries...
View ArticleDocker Compose Container Won’t Stop? Force It
Ever had docker compose down sit there waiting for a container that just refuses to stop? You can kill the stuck container without restarting Docker or the whole server. Find the Container Run: docker...
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