What does the uistub.exe file do?
The uistub.exe process is also known as Norton Protection Center UI Stub and is a part of Norton Protection Center or, as the case may be, Norton 360. This software is produced by Symantec (www.symantec.com). An obsolete or defective version of uistub.exe can cause problems for your computer that can range from slowness to error messages such as these:
- Norton Protection Center UI Stub has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- Norton Protection Center UI Stub has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 10, 8, 7)
- uistub.exe has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module uistub.exe. Read of address 00000000.
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What you should know about uistub.exe Norton Protection Center UI Stub
uistub.exe is not part of Windows, but it is important nonetheless. Uistub.exe is found in a subdirectory of "C:\Program Files".
Frequently occurring are file sizes such as 165,272 bytes (33% of all these files), 184,088 bytes or, as the case may be, 168,528 bytes.
The program executes in the background, and can only be terminated using Windows Task Manager. The uistub file is not part of the Windows operating system. The original file has been signed by a trusted signature authority. This lets you check your copy to see if it is a counterfeit. The file contains a digital signature from Verisign, a subsidiary of Symantec. Verisign thereby confirms this file's authenticity and integrity. For this reason, 7% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves uistub.exe. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.
What do other computer users say about uistub?
The file spreads very slowly and does not often make an appearance. Therefore, feedback from other users is not yet available.
Summary: source: file.net
How to uninstall Norton Protection Center or Norton 360
To remove Norton Protection Center UI Stub from your computer, please follow the manual instructions below or use an automatic uninstaller product.
- Click the Windows Start Button. You find it in the lower left corner of the taskbar.
- Type the word uninstall.
- Click Add or remove programs.
- Now locate Norton Protection Center or Norton 360 in the list of displayed applications.
- Click the program, and then click Uninstall.
How to tell if uistub.exe (Norton Protection Center UI Stub) was uninstalled cleanly
After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of Norton Protection Center UI Stub. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Norton Protection Center UI Stub or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.
What to do if a program does not uninstall
The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.
Last but not least
If Windows not working quite right for you, or if startup is taking a long time, or uistub.exe is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.