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Few things are as annoying as not being able to stick to your routine without interruptions. The LogonUI.exe error appears when you think Windows has finally loaded and is ready to use. But, don't worry. We are here to help you fix this error.

LogonUI.exe error

The computer starts and Windows loads. But when booting Windows, the system lags and shows the LogonUI.exe error.

Cause of LogonUI.exe error

This issue may occur if the LogonUI.exe file has been renamed, moved, or modified.

How to fix LogonUI.exe error when booting Windows

Below are some ways to resolve the LogonUI.exe error:

What is LogonUI.exe?

LogonUI.exe is a program in Windows. This causes the login screen to appear when Windows starts.

Uninstall or disable antivirus and security software (temporarily)

Antivirus and security software can sometimes get in the way normal operation Windows. Disabling it may then help the LogonUI.exe function again. You can do this by accessing the command line.

This can be done by forcing Windows to run automatic start. Read on to find out how to do this.

Use automatic startup at boot

You can run automatic recovery, forcing the computer to shut down every time it reaches Windows logo. Press and hold the power button on the computer until the computer turns off. Do this 4 - 5 times.

You should see the Settings screen automatic recovery».

Command line access

On the Automatic Repair screen, select Advanced Options, Troubleshoot, Advanced Options, and finally Command Prompt.

Run DISM command to fix LogonUI.exe

Command Prompt should open with a black screen and white text on it. Enter the following command:

  1. Dism / Online / Cleanup-Image / RestoreHealth
  2. And press Enter.
  3. The DISM command should find and fix any corrupted file.

Uninstalling security programs

If you have third-party login software installed on your computer, issues associated with it may be causing this issue. Since deletion software by using conventional means is not possible, you need to remove it using command line.

Start your computer in Automatic Startup Repair mode and access the Command Prompt as described above. After that, enter the following command:

  • ren “C:\ Program Files"Program Files-old"
  • press Enter
  • ren “C:\Program Files (x86)” “Program Files (x86)-old”
  • press Enter
  • Wait for the installation to complete, even if the program shows some errors, just restart your computer.

Now open drive C and remove -old from these folders:

Program Files

Program Files(x86)

Also, be sure to remove any suspicious program security that could be causing this problem.

If you still have any questions on the topic “How to fix the LogonUI.exe error when loading Windows,” you can write them in the comment form on our website.

Unfortunately, Windows 7, like any other “operating system” of the entire family, is not immune from the appearance of various kinds of errors and slowdowns compared to what it was immediately after installation, so to speak, with clean slate. Let's look at why problems occur and how to fix them Windows errors 7 different types.

Why is Windows 7 optimization needed?

As a rule, the process of fixing some system problems in all operating systems Windows yet called system optimization. What is it used for? To speed up work by correcting system errors that are not visible to the user's eye, optimizing data access, deleting junk files, correcting or deleting incorrect entries in the system registry, etc.

Which Windows 7 error correction program will be used is a purely personal matter for each user. However, it is worth noting here that almost all applications of this kind work on similar principles.

Correcting "seven" errors using the system's own means

Before we talk about what it means to fix Windows 7 system errors using third party utilities, consider our own standard means systems. They are not as primitive as many people think.

It’s just that some users who have a very superficial understanding of the settings or use of the “seven” do not even know how to use the simplest commands, for example, disk check. But when given the task additional parameters in the form of letters entered after the command itself, you can achieve a lot.

Of course, to automate the process, you can use a program to fix Windows 7 errors under named Windows 7 Manager, which, in fact, was created exclusively for use in the “seven” environment, but first let’s say a few words about the simplest methods for finding and fixing problems using built-in tools.

Checking the hard drive

So, the first means of correcting system errors is checking hard drives and their logical partitions. As a rule, due to the presence of errors on the system disk (where the “seven” is installed), the system may slow down or display messages about the impossibility of executing a particular process.

Probably everyone knows that the simplest way to check a hard drive is to start this process from the property parameters called from context menu in regular Explorer, right-click on the drive or partition letter. On the general properties tab, you can immediately clean up the disk from unnecessary files, and in the service section - use checking and defragmentation.

Interestingly, during the cleaning process, even data on recovery points that is no longer needed is deleted. When checking, it is best to also use the parameter automatic correction errors. Defragmentation allows you to speed up access to programs and files that are used most frequently by the system by moving them to the fastest areas of the hard drive without changing the logical address.

Separately, it is worth saying that checking the hard drive can be launched from the same “Run” menu or from the command line as an administrator by entering the line chkdisk c: \f (to automatically correct problems on drive “C”). And, for example, the chkntfs c: \x command allows you to get rid of errors associated with the functioning of the file itself NTFS systems. This option, by the way, is best suited when the system tries to check every time it starts system disk, say, because incorrect termination the operation of the system or the process itself last time. As is already clear, such Windows 7 error correction leads to the fact that the annoying message about the need to check disappears, and the system itself boots faster.

In general, the best way to use this command is to read technical documentation, since there can be a lot of options for adding letters to a line to call additional processes and parameters.

Program to fix Windows 7 registry errors

One of the most important aspects is key correction and optimization system registry, since the system, even at startup, not to mention calling programs, refers to it. It is probably clear that the more records there are, the slower the system works.

In addition, if the registry contains wrong keys or outdated entries, for example, for a file association, such access can even cause conflicts between several programs that are responsible for opening them.

Unfortunately, in the “seven” itself their own funds, except registry editor No. No user seems to want to make changes at their own risk. So the entire system can be brought to a complete “crash”. Here, automated optimizer programs will be the most suitable, allowing you to correct or delete keys in the registry without compromising the performance of the entire system as a whole.

Naturally, you can find many special applications exclusively for the registry, but it is better in the broadest sense to install full-fledged optimizers. In any such application you can find a function for scanning and optimizing the system in one click. You just need to enable the required element before starting the process.

Among other things, say, in the Advanced application System Care versions 7 and 8 available special utility registry defragmentation, which is similar to a regular defragmenter. Again, frequently used keys are moved to the top of the entire database system records, and the operating system needs much less time to access them.

The best programs to fix Windows 7 system errors

As for the most popular and most powerful applications for eliminating problems with the "seven", they need to be divided into functional sets.

So, for example, fixing Windows 7 errors can be done using software packages, so to speak, standard type: Advanced System Care, CCleaner, Glary Utilities, AVG PC TuneUp, Windows 7 Manager, etc.

To remove debris or complete uninstalling programs the most suitable utilities are: iObit Uninstaller. To solve problems with system updates, the best ones can be called Fix apps It or System Update Readiness Tool, not to mention the capabilities system recovery, offered by the recovery console, which is located either on the original installation or on the emergency Windows disk 7.

Conclusion

As can be seen from the above, fixing Windows 7 errors is not such a difficult matter. The main thing here is to decide which process should be launched, and, of course, with your knowledge, because sometimes you can do without additional utilities.

On the other side, ordinary users can you advise software packages For automatic search and eliminating problems, since this will only affect the performance and safety of the G7 for the better.


Sometimes logonui.exe and other system errors EXE errors may be related to problems in the Windows registry. Several programs can use the logonui.exe file, but when those programs are uninstalled or modified, sometimes "orphaned" (incorrect) EXE registry entries are left behind.

Basically, this means that while the actual path of the file may have changed, its incorrect former location is still recorded in the Windows Registry. When Windows tries to look up these incorrect file references (file locations on your PC), logonui.exe errors can occur. Additionally, a malware infection may have corrupted registry entries associated with MSDN Disc 2464.3. Thus, these corrupt EXE registry entries need to be fixed to fix the problem at the root.

Manually editing the Windows registry to remove invalid logonui.exe keys is not recommended unless you are PC service professional. Mistakes made when editing the registry can lead to inoperability of your PC and cause irreparable damage to your operating system. In fact, even one comma placed in the wrong place can prevent your computer from booting!

Because of this risk, we highly recommend using a trusted registry cleaner such as %%product%% (Developed by Microsoft Gold Certified Partner) to scan and repair any logonui.exe-related registry problems. Using a registry cleaner, you can automate the process of finding damaged registry entries, links to missing files (for example, causing the error logonui.exe) and broken links within the registry. Before each scan, a backup copy, which allows you to undo any changes with one click and protects you from possible damage to your computer. The best part is that eliminating registry errors can dramatically improve system speed and performance.


Warning: If you are not experienced user PC, we DO NOT recommend manually editing the Windows registry. Using Registry Editor incorrectly can cause serious problems and require Windows reinstallation. We do not guarantee that problems resulting from incorrect use of Registry Editor can be corrected. You use Registry Editor at your own risk.

Before manually restoring Windows registry, you need to create a backup by exporting the portion of the registry associated with logonui.exe (for example, MSDN Disc 2464.3):

  1. Click on the button Begin.
  2. Enter " command" V search bar... DON'T CLICK YET ENTER!
  3. While holding down the keys CTRL-Shift on your keyboard, press ENTER.
  4. A dialog box for access will be displayed.
  5. Click Yes.
  6. The black box opens with a blinking cursor.
  7. Enter " regedit" and press ENTER.
  8. In the Registry Editor, select the logonui.exe-related key (eg MSDN Disc 2464.3) you want to back up.
  9. On the menu File select Export.
  10. On the list Save to Select the folder where you want to save the backup copy of your MSDN Disc 2464.3 key.
  11. In field File name Enter a name for the backup file, for example "MSDN Disc 2464.3 backup".
  12. Make sure the field Export range value selected Selected branch.
  13. Click Save.
  14. The file will be saved with extension .reg.
  15. You now have a backup of your logonui.exe-related registry entry.

Next steps when manual editing registry errors will not be described in this article, as they are likely to damage your system. If you want to receive more information about manually editing the registry, please see the links below.