Software comparisons, alternatives, and tool decision notes.

Fix Microsoft Teams Authentication Failed Error

You open Microsoft Teams, try to sign in, and get an 'Authentication failed' error. This usually ...

Windows Security Not Scanning for Viruses: How to Fix

If Windows Security (formerly Windows Defender) is not scanning for viruses, you may see an error...

Fix Git Clone Permission Denied (publickey) on Bitbucket

You try to clone a Bitbucket repository and see:

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

How to Fix Windows Update Rate Limit Error

You may see an error like "Windows Update encountered a rate limit error" when checking for updat...

Fix Windows Security Not Starting After Update

After a Windows update, you might find that Windows Security won't open, or it shows a blank wind...

How to Fix Remote Desktop Protocol Version Mismatch

You try to connect to a remote PC and get an error like “This computer can’t connect to the remot...