1. Do Windows Update Next, Next, Next, After Windows Update is done, and when you see 'You're up to date', you have completed the Windows update. Take a full screenshot like the last picture above, including the Date and Time at the bottom right hand side corner, and save the screenshot. (Screenshot 1) 2. Check 'C:\Users\' folder Take a full screenshot like the picture above, including the Date and Time at the bottom right hand side corner, and save the screenshot. (Screenshot 2) 3. Check if there is 'BidDefender' or 'McAfee' or any other antivirus software on your computer Open the File Explorer, Copy and paste the following address into the address box of File Explorer. Press Enter. Control Panel\Programs\Programs and Features You will see all the application software installed. Let IT know if there is BidDefender, or McAfee, or any other antivirus software on your computer. If there is any, contact IT, and proceed to the next step. If there is not