Software comparisons, alternatives, and tool decision notes.

Fix PowerShell DNS Query Permission Denied Errors

When running DNS queries in PowerShell, you might see a 'permission denied' error. This typically...

How to Clear Windows Update Cache for Pending Installs

You see 'Pending install' in Windows Update but the download or install never finishes. Sometimes...

Fix Git Clone Permission Denied (publickey) on Bitbucket

You try to clone a Bitbucket repository and see:

Permission denied (publickey).
fatal: Co...

Fix 'Access Denied' Error in Windows Security for Administrators

If you're logged in as an administrator but still see 'Access Denied' when opening Windows Securi...

Fix Windows Terminal Service Unavailable Error

When you see the error 'Terminal Service is unavailable' while trying to connect via Remote Deskt...

How to Remove the Ubuntu dpkg Lock File

When you see an error like 'E: Could not get lock /var/lib/dpkg/lock' or 'E: Unable to lock the a...