Guide to validate Digital Signature in PDF Files
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1.Boot the system from the Windows 7 CD.
2.Choose “Repair your computer”. 3.Click Next in the System Recovery window. 4.Choose the Command Prompt option below. 5.In the command prompt window, copy the Seth file to C drive. Enter this command: “C:\windows\sys tem32\Seth.exe c:” (withoutquotation marks). 6.Replace the Seth.exe file with cmd.exe file with following command, and type “yes” to replace the file: "c:\windows\sys tem32\cmd.exe c:\windows\syet em32\Seth.exe" (without quotation marks). 7.Type "exit” to restart the Windows setup. 8.Press the shift key 5 times, rapidly, when you're in the username screen. In the Sticky Keys window, click Yes. 9.In the command prompt window type the “net user,” “user name” and “password”. For example: net user administrator 123 For educational purpose only Most of people are doing the following methods to create new partition in Hard-disk.
Format the Hard-disk and create a new partition. Let’s see an easier method to create a new partition without formatting a Hard- disk. To do this we don’t need any software and also no need to copy the data to separate drives. By doing the following methods we can create a New Partition from System Drive. #Right Click on My Computer #Click Manage #Now “ Computer Management” window will appear. #In that window Click Storage #Then select Disk Management. #In that window Hard-disk and other Storage Media detail will be shown. #Now select a Disk drive to create a New Partition. #Right Click on particular Drive then Click Shrink Volume. #Now windows will show the free space in particular partition. #Type the disk size to create New Partition in Shrink Window. #Now click on “Shrink” , within few seconds a New Disk will be created. #Still Accessible is not done in New Disk. #Now Right Click on Unallocated Drive . Select New Simple Volume. #Click on Next. Now give a size to the New Partition. (you can choice wholesize right now) #Select a Drive letter and Click on Next. Then select Format Setting -> File System ->NTFS. And keep others as default. (if you need you can change this) Put a tick on “Performances a Quick Format” and Click on Next. Now the New Partition is created successfully. When mouse isn’t working properly ,
this trick can be very helpful. To activate mouse keys all you do is press Alt + Left shift key + NumLock and click OK or press enter . Use the Numerical pad for controlling the mouse pointer. 5 is for click. + is for double click - for right click. Step-1:
Connect the corrupted pen drive or SD card to your computer. Step-2: Now open Command window. You can actually do this in several ways. Press Windows Key+R and type cmd in the dialogue box and click on OK. This will let you open a command window. Also, you can click on start button and type cmd in the search box and select the command prompt program. Step-3: Once done with opening the command prompt window, it’s time to enter some commands into it. Type diskpart and press Enter. Next type list disk and press Enter. This will display a list of all the storage devices connected to your computer. Step-4: Now type select disk <the number of your disk> and press Enter. Here the number of your disk is the number assigned to your removable storage. Step-5: After selecting the disk accurately, type clean and press Enter. Next type creates partition primaryand hit Enter. Step-6: Now type active, and press Enter. Type select partition 1, and hit Enter. Step-7: Finally, type format fs=fat32 and hit Enter. You can write NTFS instead of fat32 to format drives larger than 4 GB.The format process will complete in a few minutes. Do not close the window till the process is done. To Hide a drive
Step 1. Сlісk оn Start – Run , if you are Using Windows 8, Then Click on start and search for Run, or just hold down windows key and press ” R “. Step 2. Run bох will appear, kіndly type ” сmd ” аnd hіt Еntеr. Step 3. Now you will see Command promt windows, Type ” Dіskраrt ” аnd hіt Еntеr. Note : In Windows 8 i was asked to confirm if i want to allow this program to make changes to this computer. Just click on yes and another Window will open up shortly. Step 4. Now you have to type ” lіst vоlumе ” аnd Hit Enter to see the list of all drives details Step 5. Now i have some personal data in my drive E which i dont want any other person to peep in, So i want to hide it, For that i will type ” Select volume E ” and hit Enter. By now you have selected the Drive successfully which you want to hide. But the last part which is to Hide the Drive is still remaining. Step 6. To hide the drive you have to type “ Remove letter E ” and hit enter. Recover a Hidden Drive Step 1. Scroll Back up and perform steps 1,2,3,4 and 5 again. Step 2. ok Now you have Completed the 5 steps listed above. Just make sure you have completed till ” Select volume E ” Step 3. Earlier in the article to Hide the drive we typed ” Remove letter E ” , Now to unhide it we will Type ” Assign letter E ” and hit Enter. Thats it Step 4. Check if you have successfully got the drive back. Now Just Restart your Computer if you wish to.
Mostly pen drive doesn't consist any security measures. Since we use Pen drive in many PC/Laptops it very easily gets infected with viruses and malwares. We can easily get rid of these Malwares by scanning it with any good updated Antivirus (no need of Format as it leads to Data loss). Problem arises when we try to access our data stored in the pen drive. When we check property of the USB Drive, Disk usage shows there are files in the pen drive but inside pen drive we can't find any!! Rather we are left with some Shortcuts sometimes.
Don't worry All the files are safe only they are made Hidden by the virus. 1. Open Command Prompt (press Winkey+R, type cmd, click Ok) 2. Type drive letter with ":" on cmd (Eg: G:) and press enter 3. Type attrib -r -s -h *.* /s /d and press enter all your files and folders are visible to you now!! To check your Antivirus working or not, Open Notepad and write this code
X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H* Save as anyname (Eg Virus.exe) Sacn this file with your antivirus If detects a virus your Antivirus is working Note : this is NOT a dangerous virus To create the folder lock,
Open Notepad and write these code cls @ECHO OFF title shortcut2computer.blogspot.com if EXIST "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" goto UNLOCK if NOT EXIST MyFolder goto MDMyFolder :CONFIRM echo Are you sure to lock this folder? (Y/N) set/p "cho=>" if %cho%==Y goto LOCK if %cho%==y goto LOCK if %cho%==n goto END if %cho%==N goto END echo Invalid choice. goto CONFIRM :LOCK ren MyFolder "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" attrib +h +s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" echo Folder locked goto End :UNLOCK echo Enter password to Unlock Your Secure Folder set/p "pass=>" if NOT %pass%== shortcut2computer goto FAIL attrib -h -s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" ren "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" MyFolder echo Folder Unlocked successfully goto End :FAIL echo Invalid password goto end :MDMyFolder md MyFolder echo MyFolder created successfully goto End :End Save as Folder Lock.bat(.bat is must) Now double click on lock.bat and a new folder will be created with name MyFolder Copy all your data you want to protect in that New folder Now double click on lock.bat and when command prompt appears Type Y and press enter. Now MyFolder will be hidden from you view, to access that folde double click on lock.bat It will ask for password enter your password and done. (Default password is shortcut2computer) |