Please do the following in the order it is requested.
Please run chkdsk /r
Chkdsk /r checks for bad sectors on the hdd and recovers any readable information.
Click on the Start orb and type in cmd in the Search programs and files box. When cmd is seen in Programs above the Search box right click on it, then click on Run as administrator.
You will see a screen similar to the one below.
Type in chkdsk c:/r then press Enter. Please notice the space between the chkdsk and the /r.
You will receieve the message "CHKDSK cannot be run because it is in use by another process. Would you like to schedule this volume to be checked the next time the system restarts? <Y/N>".
Type in Y and press Enter.
Restart your computer to start the scan.
This will take a while to run, please be patient and allow it to complete the scan.
This will open Notepad with the results of the chkdsk scan. Please copy and then paste this log in your topic.
Please run System File Checker
The sfc /scannow command scans all protected system files and replaces corrupted and incorrect versions with correct Microsoft versions.
Click on the Start orb and then type cmd in the Search programs and files box.
In the pane above the search box Programs will appear with cmd below it, right click on cmd and choose Run as administrator.
If you are prompted for an administrator password or for a confirmation, enter the password, or click Allow.
This will open the Elevated Command Prompt, it will look similar to the image below.
Type in sfc /scannow and then press Enter to start the scan. Please notice the space between sfc and the /scannow.
If the scan finds no integrity problems in the first portion of the scan it should stop, to be sure that the scan has stopped wait five minutes, then type in exit and press Enter to stop the scan.
When the scan is finished please post the log of this scan.
To find sfc /scannow log, type cmd in the Search programs and files box.
cmd will appear above the search box under Apps., right click on it and choose Run as administrator, this will open the Elevated Command Prompt. This will look simlar to the image above.
Copy and paste the following in the Elevated Command Prompt, then press Enter.
findstr /c:"[SR]" %windir%\logs\cbs\cbs.log >%userprofile%\Desktop\sfcdetails.txt
This will place a new icon on the desktop titled sfcdetails. Click on this to open the log, copy it and paste it in your topic.