This problem occurs to people who use Avast as their antivirus. Some users have reported that the problem started to occur to them after an update when Avast has been installed. Other users insist that the problem appears each time the program starts up. Either way, the error message which appears is the same:
The procedure entry point … could not be located in the dynamic link library …
Here the three dots mark placeholders for the named of procedure entry points and DLLs respectively. We have prepared the methods which have helped the most users deal with this problem so we hope you would be successful as well.
What Causes the ‘AvastUI.exe’ Entry Point not Found Error?
The problem can be caused by plenty of different factors which have even changed over the years. Since Avast updates are released quite frequently, a major problem is often resolved simply by using the newest version. Here are the most often causes:
- An update for Avast has been released which has broken the installation and you should try to either repair the installation or to reinstall Avast from the very scratch.
- Some users have reported that reinstalling Visual C++ Redistributable Packages which may have gone corrupt. The problem is often associated with the 2008 version.
Solution 1: Repairing Avast
If something is wrong with the Avast installation, it’s the best to simply repair it by navigating to the Control Panel and repairing it. This solution worked for plenty of people but consider the fact that you may need to readjust settings which you may have changed while using the application.
- First of all, make sure you are logged in with an administrator account as you won’t be able to delete programs using any other account.
- Click on the Start menu and open Control Panel by searching for it. Alternatively, you can click on the gear icon in order to open Settings if you are using Windows 10.
- In Control Panel, select to View as: Category at the top right corner and click on Uninstall a Program under the Programs section.
- If you are using the Settings app, clicking on Apps should immediately open a list of all installed programs on your PC.
- Locate Avast in Control Panel or Settings and click on Uninstall/Repair.
- Its uninstall wizard should open with two options: Repair and Remove. Select Repair and click Next in order to fix the installation of the program.
- A message will pop up asking you to confirm the process. Avast will most likely be restarted with the default settings which worked before the error started to occur.
- Click Finish when the uninstalled completes the process and restart your computer to see whether errors will still appear.
Solution 2: Installing Fresh version of Avast
There is almost nothing that a clean install of Avast won’t fix and that can be said about this issue as well. The clean reinstall is pretty simple to do and it manages to solve this problem if the method above does not work. It does more than just the regular uninstall as it also clears the cache files as well as registry entries which may have gone corrupt.
- Download the latest version of the Avast installation by navigating to this link and clicking the Download Free Antivirus button at the middle of the website.
- Also, you will need to download the Avast Uninstall Utility from this link so save it to your computer as well.
- Disconnect from the Internet after you have downloaded these files and boot into Safe Mode by following the instructions we have prepared in this article.
- Run the Avast Uninstall Utility and browse for the folder where you have installed Avast. If you installed it in the default folder (Program Files), you can leave it. Be careful to choose the correct folder since the contents of any folder you choose will be deleted or corrupted. Navigate through File Explorer until you find the right folder.
- Click the remove option and restart your computer by booting into the normal startup. Check to see if the background service has gone back to normal.
Solution 3: Reinstall Visual C++ Redistributable
Since we can often blame Windows for this problem, it’s quite possible that the version of Microsoft Visual C++ Redistributable installed alongside the antivirus is simply not valid and you may want to actually install it manually after uninstalling the Avast antivirus suite. Perform the steps in Solution 1 in order to uninstall it and follow the instructions below!
- Click the Start menu button and open Control Panel by searching for right there. Also, you can click on the gear-shaped icon in order to open the Settings app if your OS is Windows 10
- In Control Panel, switch the View as option to Category at the top right corner and click on Uninstall a Program under the Programs section at the bottom of the Control panel window.
- If you are using the Settings app on Windows 10, just clicking on Apps should immediately open a list of all installed programs on your PC.
- Locate Microsoft Visual C++ Redistributable Package in Control Panel or Settings and click on Uninstall after clicking it once. You might notice that there are several different versions of the utility. You will need to make note of them and repeat the uninstalling process for each one of them.
- You may need to confirm some dialog boxes and follow the instructions which will appear along with the uninstallation wizard.
- Click Finish when the uninstaller finishes with the process and repeat the uninstalling process for all versions of the Visual C++ Package. Now, you will need to reinstall Visual C++ by locating it here. Select the version you want to download and choose the download according to your processor (32-bit or 64-bit).
- Locate the file you just downloaded in the Windows folder, run it, and follow the instructions on-screen in order to install the Microsoft Visual C++ Redistributable Package. Reinstall Avast and check to see if the problem still appears.