- I have seen this issue with the screen flickering/losing focus on the current window - The way I have resolved it was to use selective startup to keep other non-essential programs or services from loading: 1. Hold down the Windows Key + R 2. Type MSCONFIG and click OK 3. Click the Services Tab 4. Click Hide all Microsoft services 5. Click Disable all 6. Click the Startup tab 7. Click Disable all 8. Click OK 9. Reboot 10. Confirm that the flickering has stopped Note: If you are using Windows 8 then you will have to access the startup options from within the task manager (CTRL+ALT+DELETE), but the services steps are the same.
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