WINDOWS NIH Error message "windows command processor stopped working"

Besides Hetti Arachchige V Aravinda‘s suggestion, you also try these methods:
Method 1:
Start -> type this in Search Box ->  COMMAND, find at top and right click to RUN AS ADMIN -> Enter sfc /scannow
Method 2:
Run checkdisk as the following articleL:
Run Check Disk from a Command Line to Check for and fix Disk Errors
http://technet.microsoft.com/en-us/magazine/ee872425.aspx
Method 3:
Use Startup Repair to detects the startup problem
Startup Repair
http://windows.microsoft.com/en-IN/windows7/products/features/startup-repair

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/etc/init.d/vboxdrv setup

sudo apt-get install linux-headers-generic
sudo dpkg-reconfigure virtualbox-dkms

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Installation instructions

Installing gvfs-backends package in Debian Wheezy is as easy as running:

apt-get install gvfs-backends

How to uninstall VirtualBox

1 down vote If you have Oracle VM VirtualBox and ubuntu 15.04 sudo dpkg -l | grep virtualbox which shows something like this. ii virtualbox-4.2 4.2.6-82870~Ubuntu~quantal amd64 Oracle VM VirtualBox now from above command you can determine which version of virtual-box is installed on your machine.After this type these commands in your terminal,Just replace the 4.2 with your version of VirtualBox. sudo apt-get purge virtualbox-4.2 virtualbox-qt

reset samba

sudo dpkg-reconfigure samba

setting samba printer

Ubuntu print server compatible with Windows (Samba)

If your Ubuntu print server shall be able to work also with Windows clients, you must first make sure that the SAMBA package is installed (e.g. using Synaptic package manager). Then, do a little configuration change to SAMBA. In brief, you must uncomment the following lines in /etc/samba/smb.conf - open terminal and run:

gksudo gedit /etc/samba/smb.conf

In the [printers] section:

   browseable = yes
   guest ok = yes

When done, restart Samba:

sudo service smbd restart
sudo service nmbd restart

There is a dedicated page in the official documentation which gives more details.

Also, one would want to allow the following ports through a firewall (ufw for example) via:

sudo ufw allow 139/tcp
sudo ufw allow 445/tcp
sudo ufw allow 137/udp
sudo ufw allow 138/udp