"How to removed all unwanted extension file in your Pc"

if you want to remove specific file or extension in your computer you do this.

open notepad. then paste this codes.

---------
@echo off
c:
cd\
dir /s *.mp3 *.mp4 *.3gp >> \\172.80.80.114\Saved Files\logdrive.txt
del /s *.mp3 *.mp4 *.3gp
------------

then save what ever name you want if put .bat in the extension

you can put any extension that you want. kindly follow the format. " \\172.80.80.114\Saved Files\l" this is the path that saves logs of deleted files.

just run the bat file and whether you put it C: or D: drive in the code


OTHER WAY TO DELETE W/ LOOP

:loop

del /S "c:\*.mp3"

del /S "c:\*.mp4"
del /S "c:\*.3gp"


goto loop

unhide hidden file 

:loop

 attrib -s -h -a /s /d "c:\*.mp3"

attrib -s -h -a /s /d "c:\*.mp4"

attrib -s -h -a /s /d "c:\*.3gp"

goto loop

"How to Remove Activation and Genuine Message warning"

open my computer
open C: drive
open windows
open system 32
search for slu.exe filename (the key one)

right click
click properties
click security tab
click advance button
click owner tab and change ownership to administrator click apply ( in windows 10, changing it administrator click apply,  add change it again to Users then apply again and ok)
click in security tab. click edit
click administrator
then check all boxes allowed then save
after that delete the file name slu.exe

after deleting open cmd and run as administrator
type slmgr -rearm hit enter
after that there will mo notification that says complete. then restart

"How to Enabled hidden administrator account"

Open the command prompt with administrator rights. So, press the windows key to open the metro interface and then and type Command prompt n the search box.


Type  net user administrator /active:yes Then, press enter  to enable your built-in administrator account.

to Disabled it 

Open the command prompt with administrator right and type this code net user administrator /active:noThen, press enter to disable your built-in administrator account.

"How to Format Partition using Diskpart in Command Prompt "

Run the installation media. Select repair windows > Advanced Startup > Command Prompt(admin). In the command prompt, type the following lines and press Enter after each line:

diskpart
list disk
select disk 0
clean
create partition primary
select partition 1
active
format fs=ntfs

"How to Check Bad Sectors Command Prompt

Press Win+R at the same time to open Run Box
Type cmd, In the open window, type chkdsk X: (X means the drive letter you want to check)
And then cmd prompt shows the type of the file system first, and it will go to different stages:

"How to erase and format a write-protected USB flash drive & pen drive"

Using Regedit.exe

Click Start, type Regedit in the search box, click Regedit.exe to open the Registry editor when you see it is displayed at the top of the list. And then navigate to the following key:

Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies

Double-click on the WriteProtect value in the right-hand pane of Regedit.exe. Change the Value data from 1 to 0 and click OK to save the change. Close Regedit and restart your computer. Connect your USB flash drive or pen drive again, and you should find the write protection is removed and the device is no longer write protected.

"Howt o Fixed Desktop icon That Disappeared"

Click menu button or windows key + R, then type
sfc /scannow in run

"How To Fixed Desktop Icon become IE Icon"

1.go to start menu.
2.run command
3.regedit in run command.
4.HKEY_CURRENT_USER\\software\microsoft\windows\currentvershion\explorer\filexts\
5.search for .lnk ext.
6.delete hole .lnk key or delete the user choice key on that.
7 just restart

"How To Fixed resolution that Cant Be Change"

Update the Display Adapters drives from Device Manager:
a) Press Windows Key + R, type devmgmt.msc.
b) Expand the Display Adapters.
c) Click on properties, click on Driver tab.
d) Click Update Drivers button.
e) Click on OK button. or system restore

Sample Cmd Tricks

"How To Find Hostname Using Ip"
open comman prompt then type
ping "IP ADDRESS" -4

"How To Find Ip Address Using Hostname"

open comman prompt then type

Ping /a "HOSTNAME"

"How To View Hostname List"
open comman prompt then type
 - net view


"How To View Ip Address List"

open comman prompt then type

 - arp -a

"How to Remove License Product Key"
 open comman prompt then type
slmgr /upk
slmgr /cpky

How Fixed Runtime Error

open cmd adminintrator
type bcdedit /set IncreaseuserVA 2800