The computer boots into the selection user interface, and cannot enter the desktop, click on the use

Did you hit it. A patch recently updated by Microsoft. If you're a pirated user. When he enters the system, he will say that your system has not been authenticated...You may be one of the victims of piracy. Speechless. ,.

If you don't have the above interface. Then you're poisoned.

Or you have too many Windows startup items.

So please Ctrl+Ait+Delete

Call out the Task Manager. Then enter msconfig in the new run, and start the last item. Cancel all the items.

Then OK. Reboot instantly. Tick in Enter!

Finally, install antivirus software. Update. Then enter safe mode to kill the virus.

If all of them don't. Format. Reinstall the system.

The latest version is recommended.

Cause: The main reason is the user's own, or the antivirus software.

c:\windows\system32

The files under are deleted.

That's what happened.

Now the solution.

First of all, the computer in question is set to boot on the CD.

Put in a ghost version of the system disk with a PE system (I use the rain wood forest wind) and choose the PE system to enter.

You will notice that you will not be logged in to the user, but will go directly to the system.

Now get a USB stick. MP4 As long as it can occupy time to store things, you can copy C: Windows System32 from a normal computer to your USB flash drive.

Copy files from USB flash drive to the machine in question.

C: Windows System32 file. Reboot.

It's poisoning, I've encountered it before, and I can't reinstall it later.

It is caused by its deletion or disabling of Windows.

It may have been blocked by a Trojan. That is, his computer was hacked by a Trojan horse.

1. Take Win7 system as an example, press the Windows logo key + R key on the desktop, and the Run Command window page will pop up;

2. In the page that opens, enter "control userpasswords2" and click the "OK" button.

3. Next, uncheck the "To use the machine, the user must enter a username and password" option box at the top of the page;

4. Next, click the "OK" button at the bottom;

5. Finally, in the pop-up page, keep the password input box empty, click the "OK" button, after the setting is completed, when you turn on the computer again, the user login window page will no longer be displayed.

The steps to cancel the user login after the computer is turned on are as follows:

1Open the start menu, type in the word "run", and press enter.

2. Enter control userpasswords2 and click OK.

3. Remove the checkmark in front of "To use this machine, the user must enter the user name and password", and click OK.

1. Click "Run" in the "Start" menu.

2. Enter "regedit" in the run to open the registry.

3. "hkey local machine software, microsoft windows nt currentversion, winlogon" branch.

4. Double-click "defaultusername" on the right window, and then enter your login username. If you don't have a preset username, you can add this item by clicking "New String Value(s) defaultusername" in the menu bar of the registry, noting that it is case-sensitive.

5. Also under this branch, double-click "defaultpassword" in the right window of the registry, and then enter your password in the blank field. Next, double-click "autoadminlogon" in the right window and set the value to "1". If you do not find DefaultPassword and AutoAdminLogon, you can create a new string value by following Step 3 above.

6. Close the registry and restart the computer.

Do you have a password? If you have a password, you can delete the original password and scatter it. Control Panel User Accounts Select the account you want to log into, change it, change the password, the new password is blank and you're done. If you don't have a password, you'll have to look for software.

After entering, click Start,Click Run and enter control userpasswords2 in the run,Remove the tick inside to OK。。。

"Control Panel"

User Accounts"Change how users log in or out"

That's it. If you have other accounts. You'll need to delete the other accounts first.

Control Panel - User Account to modify the login method.

In the Control Panel, User Settings.

Here's how to get Windows to automatically log in to the desktop, skipping the login screen:

Start menu, click "Run".

Or press Ctrl +Alt + Del to bring up the Task Manager and click "New Task").

Enter control userpasswords2 and cancel the name and password before "To use this machine, you must enter a username and password"; Click "Apply";

Enter the username that can automatically log in to the system, and enter the user's password, enter the password twice; Are you sure.

After restarting, the system will log in automatically with the specified username password.

Note that the username password set here must be already existing and correct. If you enter it incorrectly, you will have to enter the password the next time you turn on the computer.

1.Generally, the cause of these failures is the loss or corruption of files. The solution is to re-extract a new file from the WinXP installation disc using the Windows Failback Console.

Start the Failback Console, in the command prompt, enter CD System32, then press Enter, enter REN, Enter, enter Map, put in WinXP installation disk, assume that the disc drive letter is F:, enter Expand F: i386, then press Enter, enter Exit, when the Electric Bridge Brain restarts, take out the WinXP CD, and the computer can start normally.

2.According to your description, you are 8 percent infected with a worm virus spread by MSN, and the system logs out directly every time you log in, even in safe mode, and it is useless to configure it correctly in the end.

You can also boot with the system disk, log in to the recovery console, and reboot copy c: Windows system32 to log in normally.

The reason is that the msn funny virus destroys the normal, and changes the userinit key under the hkey local machine software microsoft windows nt currentversion winlogon in the registry from c: windows system32 to c: windows system32, so after copying, WinXP can find the login handler and log in successfully.

After logging into the system, restore the registry key to C: Windows System32.

If that doesn't work, try the following again:

3.Extract the file from the Ann Chang CD (in the installation CD i386 directory, the file name is Zhen Meng, use the expand name to decompress it), and then put it in the %systemroot% system32 directory.

Note: The expand command is used this way.

expand CD Drive: i386 System Drive: Windows System32

Changsha through the Xingsha toll station on Beijing shouting Zhuzhu Expressway (speed limit 120 kilometers, in fact, the road conditions are poor, there are many cars), to Hengyang to Heng Kunyou slag slag Expressway (speed limit 100 kilometers, new soon, road conditions are very good, cars are good and quiet) to Yongzhou.

This problem is caused by the corruption of this file! The easiest way is to copy the file from C: Windows System32 in the machine spring town to the local C:

Windows System32 will solve the problem!

Or use the installation disc for file extraction, (this method is copy, I didn't try it myself).

Start the computer and go to the recovery console and type (withered silver assumes the drive letter is f):

cd system32

expand f:\i386\

Select Y or A when selecting the prompt, and then prompt to complete a file, and there will be no Sen Yan OK to start again.

The system hangs If you don't restore the wizard, redo the system

The reason for this problem is to put it wrong!

It is used to manage user startups.

Try extracting the files from the installation disc and putting them in the %systemroot% system32 directory to see if that solves the problem.

Specific methods: 1. Use Windows 2000 (or Windows XP 2003) to install the disc boot system, press the "R" key on the interface of "Welcome to the installer", and select repair.

2. Then press the "C" key to select Use Failback Console.

3. Type a number and select a Windows installation, usually "1". Then enter the administrator password.

4. Go to the system32 directory and enter the command:

delcopy

5. Restart the system.

It is recommended to use the latest antivirus software immediately to perform a comprehensive antivirus after updating to the latest virus database!

The system encountered a data error! You must install the 360 Security Guard patch to fix the vulnerability!! Definitely.

It is recommended that you use 360 Security Guard to scan in safe mode.

Poisoned. Shockwave virus.