Checklists for software errors, setup, and tool workflows.

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Reset Windows Activation Timer Using slmgr Commands

If you're seeing a Windows activation warning and need to reset the activation timer, the built-i...

How to Fix Chrome Stuck on Checking for Updates

You open Chrome and see it stuck on the 'Checking for updates' screen. This can happen during aut...

UFW Deny Port But Still Accessible: Fixes and Checks

You set a UFW deny rule for a specific port, but the port remains accessible from outside. This i...

Fix Windows Activation Token Expired Despite Internet Connection

You see a message that your Windows activation token has expired, even though you're connected to...

Fix Git Clone SSH Permission Denied (Publickey) on Windows

You try to clone a Git repository over SSH on Windows and get Permission denied (publickey)...

Fix Windows Activation Error 0x80070002 (Dependency Conflict)
You try to activate Windows and get error 0x80070002. The message often says something like “depe...