How to prevent someone from modifying your computer!!!

with"Group Policy"This is a good solution to this problem: you first set the user to be the computer administrator, in the Start menu"Run", and then"User configuration"of"Manage templates"set what you want to restrict. This one works great, and if you don't know anything clearly, search online"Group Policy"There should be a lot of knowledge about this online.

After doing so, set the user's type to"Restricted Users", so that the settings on your machine are not easy to be changed.

Depending on what system you are installing, if it is an XP system, it is better to make it. If you don't think the system password is enough. You can set a motherboard password.

It's hard to go into detail here, it's too long. If you want to set it, you can add me when you have time. If it's a system password, it's easier for someone to crack, and you can also set up only one of your accounts to be available.

You can stop a guest account. If someone else has an account on your computer, click on it"Management tools"Find it when you go in"Computer management"Click again"Users and groups", which can set up functions for other accounts. You can delete another account or stop another user.

In this way, other accounts will appear in your system, and if you don't know your account password, you won't be able to get in.

You open the "Guest" login of XP, and the settings in it are the safest.

Then encrypt your own account and you're done.

Put what you need - right-click - Properties - Security - Remove the guest's operation right.

Just install a system restore wizard.

Depend on!!! He's like this, you still give it to him, isn't my brother stupid?

1. Shortcut Windows key (the first one on the right side of CTRL) + R, and enter "point OK" in the dialog box.

2. Find "Management Templates" and "Manage Templates" under "User Configuration", then you can see the "Control Panel" option and click "Control Panel".

3. Then there will be a lot of options pop up, here you need to double-click "Disallow access to the control panel".

4. Finally, the dialog box pops up, select the "Enabled" item, and you can complete the prohibition of modifying the computer time.

1. Use the shortcut key combination "win+r" to open the run, and enter "Enter to confirm."

2. After opening the local group policyr, click "User Configuration" in the left column, and then double-click "Management Module" in the right column.

3. Double-click "Control Panel" in the right column.

4. Double-click on the "Disallow Access to Control Panel" option.

5. Select "Enabled" in the upper left corner, and click the "OK" button to save and exit.

Exclusive secret, three tricks prohibit modifying the system time.

1. Modify the registry:

Allowed: Windows Registry Editor Version

disableregistrytools"=dword:00000001

Forbidden: Windows Registry Editor Version

disableregistrytools”=dword:00000000

2. Modify the control panel.

It is forbidden for any user to modify the system time.

Open Control Panel - Administrative Tools - Local Security Settings - User Rights Assignment - Change System Time - Delete All Users, Identify and Restart Machine. This way, no one in Windows has the right to change the time in any program, but it can still be changed in the BIOS or when the DOS starts. This may cause some inconvenience.

3. Modify the file.

Set the access permissions for the files under C: Windows System32 in XP. The time cannot be modified in the system.

This can't be banned.,People who know a little.,Turn on the BIOS to adjust the time.,Install a freezing point.,You can't change the time in the freezing point protection state.,Or you set a password on your own computer.,Besides, changing the time is not a big deal.,Hehe.。

I did eat too much to do this. Are you sure it's not poisoned? Because some viruses will also modify your time.

Who the eats too much to change this thing.

Install a restore wizard and set a good password. This trick doesn't cost money. Or install a hard disk restore card.

It's the same as an internet café. Completely safe. These are the safest and easiest that no one else will alter a single hair on your computer.

Don't think about how to set up restricted accounts or anything like that. Those don't cure the root cause.

I think back up 1 system first. It's just that anyone who reads it on the Internet will use it. Restore the system when you come back. Then clean up the things in the back of the plate 1 and keep what you want. Don't delete it

Start - Control Panel - User Account - Add New User (select Temporary User) Create and you're good to go.

You can block these options by modifying some of the settings on my computer, and see if some of the options in my computer - Control Plane - Auxiliary Tools should be available for Wide Beam.

Set up a guest account for that person.

Program run limiter.

If you have some programs on your computer that you don't want to delete and don't want others to use, you can use this "program run limiter", which can prevent the program you specified.

Computer Monitoring Specialist 1 18

Set up a guest account! Password on your own account! Let someone else come up to the guest account to pull.

To prohibit others from modifying my computer, you can set a password for the administrator account, and delete the guest account of the computer, and the method of deleting the guest account is as follows:

1. Find the desktop My Computer icon, right-click, select Manage Options, and open the computer management window.

2. Find the local users and groups in the computer management window, select the user, and then find the guest user.

3. Right-click above the guest user and select the delete option.

4. After clicking Delete, a window will pop up, asking if you really want to delete the guest user? Select Yes.

5. After clicking the Yes button, the following error will pop up when deleting user guest: This operation cannot be run on the built-in account. Click the OK button to close the prompt window, and the guest user is still there, and it cannot be deleted.

6. If you can't delete it with a computer management program, you need to use the registry to delete this user, open the start menu - select the run option, and enter the registry command.

7. Click the OK button, open the registry, select hkey local machine sam sam to open this path, open it by default and have no permission to open it here.

8. In the name key above SAM, select Permissions, and in the pop-up SAM permission setting window, check the box in front of Administrators Full Control.

9. After checking, click the OK button to return to the registry, press the F5 key on the keyboard to refresh it, and then you can see that the option of sam has an option with a + sign.

10. Click the + sign to find the hkey local machine sam sam domains account users names guest.

11. When you select the guest registry entary, you can see that the type of the right window is 0x1f5.

12. After finding these two items, right-click above guest and select the delete option, will it prompt you to delete this item and all children? Select the Yes button.

13. After the guest key is deleted, select the 000001f5 key, delete the name key, the same prompt, select the button! After the two key-values are removed, close the registry window! Restart your computer to delete the guest user.

Run gpeditmsc to open Group Policy, open the windows component in the management template, there is a windows installation service, you will take a look at the things on the right, the specific method: run gpeditmsc -> computer configuration -> management template > windows component >ms

installer-> startup" disables ms

installer"and "Disable user installation".

windows

Double-click in the window to the right of the installer.

Disable Windows

Select Enabled for installer, and click OK.

Enable in the policy: Disable "Add and remove programs", and then enable the following policies: "Run only licensed Windows applications" in the console User Configuration Management Templates System", and "Add allowed applications to run and let you run programs in the "Allowed Application List" and "Limit the number of programs you can run".

You can make restrictions in Group Policy, but as long as the user can enter Group Policy, then he can still install files, and after the method of setting is entered into Group Policy, enter the user rights settings to find the installation file item and delete all user names.

Second-use Super Bunny.

Double-click --- installer to open and change the startup type to Disabled.

This way most installers won't be able to install, because they will ban all calls to Windows

Installer installers, especially those with *msi, certainly can't be installed.

Fourth, in the user account in the control panel, create an account, do not give installation permissions, and when you want to install, you can right-click and choose to run the installer with the administrator account, and some programs that want to modify system files are also run in this way.

Enter the administrator account

Computer Configuration, Windows Settings, Security Settings, User Entitlement Assignment Below there are mount and uninstall procedures that allow trust to delegate.

Five"Run"msconfig

You can ban it directly, except for 2000, you can't use it directly, and everything else can be.

6. Set user permissions.

Encrypt the administrator's username.

Create a user in the user group.

Let them log in with this account.

It is not available in the installation directory.

Enable multi-user login, set permissions for each user, and preferably only those with administrator privileges can install the program.

Also, if you have a 2000, XP or 2003 system, convert the disk format to NTFS format, and then set the user and set the permissions for each user.

You can try my method, it's very simple: if you don't want people to change your system time, you can do this: You open the system32 folder of the windows folder under the C drive in turn, and find !

Then change the name of it and you're good to go! That way, you won't be able to change your computer time! If you want to change the time, you can change the name again!

You're better off doing this in safe mode, as this involves file protection).

As for your second question: you can disable the Windows Install service in the service! This can disable the installation of a large part of the software!

As for what you said about what password you need to install, it may be software, sorry I don't know about these software, you can look for it again! I used to remember the management mode in the group policy,Windows component,Windows install There is a prohibition from installing from the source**,This policy can prohibit the installation of any software,But now it seems that this policy has been canceled in XP2,SP1 seems to have it!

Buy a restore card and plug it in, just like in the Internet café, close it when you play by yourself, and open it when you don't play, that's it

Set the system database password, once the password is set, it cannot be canceled, if you forget the password, there is no way to crack it, you can only reinstall the system. The setting method is, win mark->run->cmd-> type syskey and press enter to set it. Be sure to use it with caution

Remember to log out when you go. When you log in, the system will always think that you are using, and if you log out, you have to log in again, and you need to enter the password again.

1. CMOS cracking To use a computer, you first need to turn it on. Therefore, the boot password is the first thing we have to encounter. The former only restricts the modification of the BIOS and can boot the computer and run all kinds of software normally, while the latter restricts access.

Turn off sharing Include default sharing Turn off remote desktop.

With**tool**Exit when the skin is over and shut down immediately without using the computer and set a boot password The password has more than 14 digits and includes letters, symbols, and the number of words is mixed to be a typical selfishist.