Knowledge base for software setup, errors, and daily tool work.

Fix Windows Activation Tool Not Opening on Ubuntu

You’ve installed a Windows activation tool (like an HWID or KMS emulator) on Ubuntu via Wine or a...

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...

Task Scheduler Permission Denied After Resetting Settings

After resetting Task Scheduler settings, you may see 'access denied' errors when trying to create...

Fix PowerShell 404 Error When Using Invoke-WebRequest