Hold off on the Windows update for now.
Disable the need to enter a password while you are troubleshooting.
A question to answer and a check for you to do;
Are you using the computer with the battery in place and the AC adaptor powering the notebook.
Download and run CrystalDisk info standard edition from here
Run the program, grab any screenshots and attach to your next reply for us.
To capture and post a screenshot;
Click on the ALT key + PRT SCR key..its on the top row..right hand side..now click on start...all programs...accessories...paint....left click in the white area ...press CTRL + V...click on file...click on save...save it to your desktop...name it something related to the screen your capturing... BE SURE TO SAVE IT AS A .JPG ...otherwise it may be to big to upload... then after typing in any response you have... click on browse...desktop...find the screenshot..select it and click on the upload button...then on the lower left...after it says upload successful...click on add reply like you normally would.
Screenshot instructions are provided to assist those that may read this topic but are not yet aware of the “how to”.