How to change admin password from guest account

1) Go to c:/windows/system32.
2) Copy cmd.exe and paste it on desktop.
3) Rename cmd.exe to set sethc.exe.
4) Copy the new sethc.exe to system 32, when Windows asks you for overwriting the file, then click yes.
5) Now logout from your guest account and at the user select window,  press shift key 5times.
6) Instead of sticky key confirmation dialog box,  command prompt with full administration privileges will open.
7) Now type "NET USER ADMINISTRATORXYZ"  where xyz can be any password you like and press enter.
8) You will see "The command completed successfully" and then exit the command prompt and login into administrator account with your new password.

Make a folder invisible without hiding it

1) Right click on the desktop. Create a new folder.
2) Now rename the folder with a space ( hold ALT key and type 0160).
3) Now you have a folder without a name.
4) Right click on the folder >properties >customize. Now click on change icon.
5) It shows icons list, scroll a bit.. You'll see find some empty spaces,  select any one of them. Click OK.

Now the invisible folder has been created. You can store your personal data without any third party tools. If you want to make a existing folder invisible..  Follow from step 2.

Remove virus from your infected USB

If your Pen Drive is infected with any of the following viruses:

* Autorun.inf

* new folder.exe

* Iexplorer.vbs

* Bha.vbs

* info.exe

* New_Folder.exe

* ravmon.exe

* RVHost.exe or any other files with extension.

Actually this viruses are hidden and can't be seen even after you enable show hidden folders.

Following simple dos command will change the attributes of these files ,there after you can remove it by pressing delete key.

Follow these steps:

Step1: Type cmd in Run

Step2: Switch to the drive on which pen drive is connected

(like C:\> h: enter)

Step3: type exactly as attrib -s -h *.* /s /d and hit enter

(don't forget spaces).

Now you can see hidden virus files and you can delete them.

How to delete admin password on windows without using any software

Method 1

Boot up with DOS and delete the sam.exe and sam.log files from Windows\system32\config in your hard drive. Now when you boot up in NT the password on your built-in administrator account which will be blank (i.e No password). This solution works only if your hard drive is FAT kind.

Method 2

Step 1. Put your hard disk of your computer in any other pc .

Step 2. Boot that computer and use your hard disk as a secondary hard disk (D'nt boot as primary hard disk ).

Step 3. Then open that drive in which the victim’s window(or your window) is installed.

Step 4. Go to location windows->system32->config

Step 5. And delete SAM.exe and SAM.log

Step 6. Now remove hard disk and put in your computer.

Step 7. And boot your computer :-)

How to remove .vbs virus from pen drive

1. Load Microsoft's "Malicious Software Removal Tool." Open your desktop's Start menu and click "Run." Type "MRT" and hit your keyboard's ENTER key. If this tool seems to be missing or broken, you will have to obtain another copy from the link in Resources.

2. Click "Next" and select "Full Scan." While this takes a little longer than the "Quick Scan" default, it offers a better chance of cleaning a VBS virus script. Click "Next" and wait for the tool to finish scanning the virus-infected hard drive.

3. Follow the prompts that pop up to clean and remove a VBS virus script. Click "Finish" and restart your PC.

How to remove autorun.inf virus from pen drive

Remove autorun.inf  virus on USB drive

1. Plug the USB drive into your computer, a window dialogue may appear, don’t click on Ok , just choose ‘Cancel’.

2. Go to command prompt and type your USB drive letter.

3. Type dir /w/a  and press enter, this will display a list of the files in in your flash drive.

  

    Remove the files: Ravmon.exe, ntdelect.com, New Folder.exe, kavo.exe , svchost.exe,  autorun.inf     If you find them.

4. To delete the virus just type del and the filename example. F:\del  autorun.inf and hit enter.

5. Run a antivirus scan on your USB drives just to make sure that all threats are removed successfully

How to create wifi hotspot on laptop

Do you know you don’t need a router to create a wifi hotspot when you have a laptop. You don’t need any software.. you just need to do is type these simple commands in CMD to create a hotspot on your laptop.

To open the command window press WIN+R. Then a dialog box appears, type ‘cmd’ in that box and click ‘ok’. Now the command window is opened.

Method 1: 

open CMD and copy-paste below lines one by one--

1.netsh wlan show drivers

2.netsh wlan set hostednetwork mode=allow ssid=FreeWIFI key=12345678

3.netsh wlan start hostednetwork  -change network name and password to your choice all done!

4. netsh wlan stop hostednetwork  -To stop the wifi hotspot.

Method 2:

How to Make Wi-Fi Hotspot on Windows using Notepad

1. Open Notepad and type paste below code into it.

     
     netsh wlan set hostednetwork mode=allow ssid=FreeWIFI key=12345678

     
     netsh wlan start hostednetwork

2. Now you can change the SSID by changing code in blue color and you can change the security code in red color.

3. Now make sure to save this file as Start.bat and its done.

4. Now create another new Notepad file and paste below code into it.

     
     netsh wlan stop hostednetwork

Save this file as Stop.bat and your Wi-Fi Hotspot stopping process is up. So now whenever you want to start the Wi-Fi Hotspot simply double click the Start.bat file and your Wi-Fi hotspot will start to broadcast. As soon as you are done you can double click the Stop.bat file and your broadcast will be stopped

How to hide/unhide a drive on windows

Do you want to hide the drive which contains important files, personal photos and videos?  It is very easy to hide the drive from others. Follow these simple steps to hide/unhide the drive.

TO HIDE DRIVE:

1. Open cmd (press start button+ R, then run dialog box appears. Type ‘cmd’ and click ok)

2. In the command window type diskpart and enter

3.Click yes

4.After opening diskpart window type list volume and hit enter

5.Select the drive you want to hide. select volume 2

6. Now type remove letter d. here d is the drive which you want to hide.

TO UNHIDE DRIVE:

1.First follow the steps mentioned in 1,2,3,4

2. select volume 2

3.After selected, type assign letter d and hit enter.