A mysterious white window is showing up on Windows PCs. Here’s a fix

Windows 10 and 11 users are reporting a blank white window appearing at startup or unlock. Here's the likely cause and a ...
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5 Things to Know

5 Things to Know is CNBC's Morning Squawk newsletter, a before-the-bell briefing on the most important news, trends and analysis that investors need to start their trading day. Subscribe here to ...