New partition created after Windows 10 update 1803

A new partition of size 450 MB was created after this Windows 10 1803 recent update.

Resolution:

This is a known issue in the 1803 Update
It is the recovery drive created during the windows 1803 update, we are not meant to see this partition. Since we are seeing and update was successful we can remove the drive letter and everything will return to normal.

1. Click your Start Button, type cmd, then right click Command Prompt and choose 'Run as Administrator'
2. Run this command and hit Enter
3. diskpart
4. Run this command and hit Enter
5. list volume
6. Note down the letter associated with that new drive
7. Run these commands one at a time and hit Enter (replace X with the correct drive letter)
8. select volume X
9. remove letter=X
10. Close Command Prompt and restart your PC