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How to Remove RAR Password September 2, 2010

Filed under: security — sngain @ 07:24
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A RAR archive file can contain multiple files compressed into one, which is done for ease of transport. So when you need to send some files to your clients, colleagues and friends, RAR or WinRAR will be your option to compress these files, without doubt. In addition, you can also password protect RAR files so that no unauthorized person can access the archive’s contents. But the only problem is that how can you access to the archive’s contents if you forget RAR password? Is there any way to remove RAR password?

In fact, you can still have the opportunity to remove RAR password with a RAR password recovery tool. There are various RAR password removers and RAR Password Unlocker is proved to be a helpful tool for users to recover forgotten RAR password. It supports brute-force attack, brute force with mask and dictionary attack which can restrict the search area and shorten the RAR password recovery time.

With this RAR password remover, all you need to do to recover your password is just to drag and drop your file to the program window. Following is a simple guide to remove RAR password.

Step 1: Download and install RAR Password Unlocker

Step 2: Run the program, and then click Open to import your locked RAR file

Step 3: Select attack type, and then click Start to remove RAR password

This RAR password recovery software provides 3 different options for you to remove RAR password: Brute-force Attack, Brute-force with Mask Attack and Dictionary Attack.

Option 1: Select Brute-force Attack to remove RAR password

Brute Force Attack simply tries to guess the password by trying every single combination of characters until the password is found. So it is the most cost-consuming method. If you have no idea of your RAR password, you can select this option and do as follows:

1. Click Recovery in the task bar, and then select Brute-force Attack.

2. Click Start button to remove RAR password.

Option 2: Select Brute-force with Mask Attack to remove RAR password

This option is actually a variation of Brute-force attack, but there are some differences. With Brute-force with Mask Attack, you can specify the mask to decrease the total number of passwords to be verified. If you already know some characters in the password, you can choose Brute-force with Mask Attack to remove RAR password.

1. Click Recovery in the task bar, and then select Brute-force with mask Attack.

2. Click Brute-force in the task bar, and set password length, character type and others if you remember.

3. Click Start button to remove RAR password.

Option 3: Select Dictionary Attack to remove RAR password

Dictionary attack allows you to remove RAR password according to default dictionary of the program, besides, you can add your own dictionary to the program in order to shorten the RAR password recovery time.

1. Click Recovery in the task bar, and then select Dictionary attack.

2. Click Dictionary in the task bar, and make settings for dictionary attack.

3. Click Start button to remove RAR password.

When you forget RAR password, you can select one of the attack types to help you remove RAR password. The trial version of this RAR password remover can help you remove RAR password within 3 characters. So you can evaluate the RAR password remover before you make your decision.


4 Methods to Change MS SQL Server Password August 10, 2010

Have you ever forgot or lost your MS SQL Server password? Did you reinstall MS SQL Server or change SQL Server Password by some ways at that time? I once forgot my MS SQL Server password and I reinstalled My MS SQL at last as I failed to find some good methods to solve the problem. What annoying and terrible experience it is! In order to avoid reinstalling SQL Server for a second time due to the same reason, so I collect some methods to change SQL Server password for sa account.

Method 1: Use Command Prompt to Change SQL Server Password

Step 1. Open a command prompt (Start -> Run -> cmd)

Step 2. Type the follow commands, and press Enter after each line:

Osql -S yourservername -E

1> EXEC sp_password NULL, ‘yourpassword’,  ‘sa’

2> GO

The yourservername is the name of your server, yourpassword is the new sql sa password.

The command line 1> also can be changed to other command, the model is EXEC sp_password ‘oldpassword’, ‘newpassword’, ‘sqlaccount’.

Method 2: Use the Query Windows in Management Studio to Change MS SQL Server Password

Step 1. Open SQL Server Management Studio

Step 2. Open a new query

Step 3. Type the follow commands and excute:




USE [master]




The NewPassword is set for your SQL Server sa account.

Method 3: Change SQL Server Password by Windows Authentication

If Builtin/Administrator is present in SQL Server, you can login with an ID which is member of Administrators group and change sa password in SQL Server. Just do as follows:

1. Login into SQL server using Windows Authentication.

2. In Object Explorer, open Security folder, open Logins folder. Right Click on sa account and go to Properties.

3. Type a new SQL sa password, and confirm it. Click OK to finish.

After restarting SQL Server and all its servers, you can log into SQL Server by sa login with new SQL sa password.

Method 4: Change MS SQL Server Password with Third Party Software

In addition to the methods above, you can aslo choose some SQL Server password recovery tool to change SQL Server password. MS SQL Server Password Unlocker is one of the good MS SQL passwrod reset tools which can help you change SQL Server password in a few seconds. It allows you to change MS SQL password on SQL Server and Express 2000/2005/2008.

Following is a guide for you to change MS SQL password with MS SQL Server Password Unlocker.

Step 1.Download and install MS SQL Server Password Unlocker.

Step 2. Run MS SQL Server Password Unlocker, click Open, import your master.mdf file. All the user names of your MS SQL Server will be displayed.

Step 3. Select an SQL account, click Change password button.

Step 4. Type a new password, and then click OK.

This SQL account password has been reset. You can login with it.

Well, the four solutions are the easy-to-use MS SQL Server Password Reset ways.