Since the computer has been installed, since many important personal files are stored in the computer, the security of data has become the focus of attention. Therefore, in addition to the door locks that come with Windows, it is better to install some safer and more personalized. Smart lock.
a real key to lock a machine would have you believe
press Win + L key combination in Windows XP to quickly lock the computer (need to open the "Control Panel → User Accounts → Change User Login Or logout mode", cancel the mark before the "Use welcome screen" option), and Windows 2000 can lock the computer by creating the "rundll32.exe user32.dll, LockWorkStation" shortcut. But they are not really a one-button lock machine. Remember the keyboard control enhancement software that we have recommended many times - Hotkeycontrol XP? With it, you can set the F7 key that is not commonly used as the lock button, so you can complete the lock with just one click of this button (see Figure 1).
two, Windows 98 unsafe, quickly install SecureIt Pro
Windows 98 not Windows 2000 /XP security features that lock machine, we can only SecureIt Pro to make up for this regret.
SecureIt Pro
small archives Software version: 4.70 software size: 724KB
Software type: freeware application platform: Windows 9x /2000 /XP
An easy-to-use system locking tool that automatically pops up the setup wizard window after running. After accepting the software license agreement, click the “Next” button, enter your personal information as prompted, click the “Next” button, it will generate a A dedicated backdoor password, such as "DJROICYDPTFUWLWBKP" (when you forget to lock the password, you can use this backdoor password to unlock it), write down these personal information and backdoor password. Click the “Next” button again, enter the recorded backdoor password to confirm, then click “Next” button to continue the operation, click the lock button on the right to complete the setting work, and a security setting dialog box will pop up, “ Enter the lock password set for the software in the PassWord field (see Figure 2), then click the "Lock" button to lock the computer.
Tip: When you have forgotten the lock password, you can unlock the window, enter the Shift key while pressing the Ctrl + right-click combination to unlock the lock icon interface, pop back door Personal information and backdoor passwords can be unlocked.
Third, install a most intelligent lock
If you want to lock anything hard drive, including files, windows, shortcut /program, folder /drive, Internet connection, etc. , then recommend PC Security, a very good and powerful system access control tool.
Special Note: Due to PC Security need to install a high-level driver in the system, we found that the test run will appear in a handful of blue screen crash the computer, and a blue screen when Windows starts normally, The same is true for the security mode. For Windows 98, use "Scanreg/Restore" in
DOS
for registry recovery. Windows 2000/XP uses the ERUNT software we introduced in the 16th and 18th issues to enter the recovery console and restore the registry backup of the day.
PC Security
small archives Software version: 6.1 software size: 980KB
Software Type: Freeware Application platform: Windows 9x /2000 /XP
After PC Security runs, it will display the icon in the system tray. Double-clicking it will open a window. You need to enter the default password “security” to enter the main interface. In the window, you can list different locking function menus and click the corresponding text. Open the settings window, let's look at a few application examples.
Tip: In order to prevent others from opening PC Security to modify the settings, you need to click "Software Settings" in the main interface, modify the default password settings in time, and also click the "Advanced Settings" tab, select "Re-enable security after logout/restart" option.
Example 1: Lock personal files on the computer, others prohibit free to edit
in the main interface, click "file locking", open the Settings window, select a folder on top of the browser you want to lock The file, then in the middle toolbar can be set "lock type" (see Figure 3, select "read only" allows viewing and copy, but does not allow editing or deletion, if you select "full", you will only see the file Name, can not do anything, including copying and viewing! Finally, click the "lock" button, the file is added to the list of locked files below. If you want to modify the file locking method, you need to first select in the list locked file, click "unlock" button and select the new lock type and click again to "lock" button
Tip:. PC Security fully supports the right shortcuts in Explorer After selecting the file in the device, right-click and select “PC Security” to quickly lock or unlock the file.
Example 2: Locking the magnetic Partition Protection File Security
If important data is stored in a separate partition, you can also use PC Security disk lock function to protect. In the main interface, click "Folder /Drive Lock" to enter the settings window. Locked disk partition, then you can set the "lock type" on the right. However, it should be noted that the read-only lock is only valid for the selected folder. If you select the partition root, then the following Subfolders can still do anything.
Instance 3: Locking the window to let the file transfer continue
Window locking is a very interesting and useful function, such as through QQ To pass the file with others, and have to go out temporarily, in order to prevent others from interrupting the file transfer by mistake, you can click "Window Lock" in the PC Security main interface, then select "Lock Type" to "Disable" on the right, click "Add Lock" button, select the window name "Chat with XXX" from the "Window Title" list (see Figure 4), after clicking the "OK" button, you will find that the file transfer window with your friend has become unusable, indicating that it has been locked. The locked window will be displayed in the list of the following interface, the selected window After clicking the name, click "Unlock Window" to unlock the window.
Example 4: Lock the network to make the network no longer "connected"
PC Security has a powerful network lock function, basic Equivalent to a network firewall. Click "Internet Lock" in the main interface, then select the "Enable Internet Protection" option in the window, and select the "Lock all Internet-related operations" option below, so that all network-related programs will Unable to access the network.
At the same time, you can also selectively lock the network access of some programs. In this case, you need to cancel the "Lock all Internet operations" option, then run the network program to be locked and access the network. Security will pop up the "Program access to the Internet" prompt, select the "Do not allow connection" option and click the "No" button (see Figure 5).
the software for network locked third function is to lock prohibit certain types of files downloaded from the network, select the "Disable download the following file extensions", and Enter the extension in the text field and click the "Add" button (for example: BAT, VB
S, CMD, which may be dangerous).
Tip: Some network firewall also has disconnected network connection function, but because there is no access restrictions on the firewall software itself, thus locking function of the network is essentially useless.
Example 5: locking system
important settings to prevent some users are not familiar with the computer system errors lead to misuse, lock the control panel and system setup options and other properties of the system is very If necessary, click “Computer System Settings” in the main interface of PC Security. In the window that opens, list all the important settings that may damage the system. Select the function you want to lock.
In addition, PC Security can also set to automatically lock the computer at a specified time or after a period of inactivity. It can be said that PC Security is the most comprehensive tool for locking at present. It can be described as "lock to invincible, no lock", and it also has "intruder detection" function. When someone tries to enter the software with the wrong password, it An intrusion warning will be issued to make the intruder daunting.