Dear Paul​, 

Thank you for contacting Logitech! My name is Viel E.​ and I will be helping you with any issues you have today. Please take time to follow these troubleshooting steps to fix the issue.
 
• Open ""Add or Remove Programs"" and remove Logitech Capture, if present.

• Removing remnant files
- Open the Run window (Windows + R)
- Type %programfiles% and click OK
- This should open File Explorer
- Navigate to folder Logitech
- Delete the folder LogiCapture
- Close the File Explorer

• Cleanup temporary files
- Open the Windows app Delete Temporary Files
- Click option Temporary file
- Wait a moment until the scanning as completed
- Make sure there are NO checkmark in Downloads
- Now click Remove files
- Wait for the purging progress to complete, this may take a few minutes depending on how many temporary files needs to be cleaned up

• Restart your computer
 
If you find that you are still experiencing problems after following this troubleshooting, please do not hesitate to reach back out to us and we will be happy to continue helping you.