A Problem has Occurred in BitDefender Threat Scanner

BitDefender is an antivirus software which protects your system for different kind of viruses or threats. However, it can sometimes also generate a BitDefender Threat Scanner error. This usually occurs after upgrading Windows. The error talks about a ThreatScanner.dmp file which is unreadable.

In addition to this, it also forcefully shuts down your system. Nonetheless, it is possible for this error to occur even if you have installed any other antivirus software apart from BitDefender. This happens due to the damaged file that exists in Spybot. Spybot combines a BitDefender technology, which results in the occurrence of the error.

How To

The error originally tells you to send the ThreatScanner.dmp file to the developers. But messaging the customer support can be an exhausting work to do. It also requires a lot of time. So if you want a quick solution to this problem and are expecting to get it fixed without any complications, then we have mentioned a few methods for you below.

Method 1: Run the PATCH

Since the BitDefender Threat Scanner issue has previously occurred many times, BitDefender has released patches that will easily help you fix the error. The steps to fix the error are listed below.

Step 1: Firstly, you need to find out your Windows OS version since there are different patches for 32 bit operating systems and 64 bit operating systems. There are several ways to find this out. You can use one of the two methods listed here.

1.1. Right Click on My PC on your screen and choose Properties. It will open up a folder called Desktop Properties. Under System Type, you will find your Windows OS version.

1.2. Another way to find out your Windows OS version would be to open the Run dialogue by using the shortcut Windows key + R. Type ‘winver’ and press enter. This will open up an About Windows dialogue, in which you can see the exact version of your Windows.

Step 2: Once you have figured out your Windows OS version, download the patch depending on your OS version and run it.

There is certainly no reason to be hesitant about downloading these patches since the BitDefender official website has tested it. It is absolutely safe and will do no harm to your system. Running this patch should resolve the problem, however, there are other methods mentioned below.

Method 2: Fixing corrupted files

This is an alternate method to fix the BitDefender Threat Scanner error. The main reason this error is occurring on your system may be due to the corrupted file existing in Spybot. One of the files in its DLL must have got damaged, hence you have been seeing the error message. To fix the error, you will need to replace the corrupted files with the correct ones. The steps to do this are listed below.

Step 1: Go over to File Explorer or My Computer on your system.

Step 2: In the address bar present on top of the screen, type the following address.

C:\Program Files (x86)\Spybot – Search & Destroy 2 and press Enter.

Step 3: Once the folder opens, search for a file named SDAV.dll. If you do not find this file, it means that you need to download a new file. You can download it from Spybot missing files list.

Step 4: Once you have finished downloading it, search for it, and copy the file.

Step 5: Now go back to Spybot – Search & Destroy 2 by repeating step 2 and paste the SDAV.dll file here.

Step 6: To fix the error you need a file bigger than 32KB. To check if the file size, right-click on it and select properties. If it is not 32KB, then download it again through Spybot missing files list.

Step 7: After downloading a 32KB dll file, repeat steps 4 and 5.

Step 8: Finally, choose the ‘Replace the file in the destination’ option

This method should solve the BitDefender Threat Scanner error. But if it does not, check the final method listed below.

Method 3: Remove and Reinstall

If you haven’t been able to fix the error until now, it means that the problem is occurring due to an unidentified reason. Your final option to fix the error would be to delete the software and install it again. Here are the steps for it.

Step 1: BitDefender has a trial removal tool. Download it on your system

Step 2: Once you have downloaded the tool, run the application which will help remove BitDefender.

Step 3: Finally, download the BitDefender software and install it again. Once downloaded, verify if the error still exists.


The BitDefender Threat Scanner error can be quite bothersome especially for people who do not use BitDefender. The ThreatScanner.dmp text file is unreadable and the error shuts down your system forcefully. This makes it difficult to use your computer efficiently.

We have specified 3 methods through which you can easily fix this problem and we hope that it works for you. However, if you tried all these methods and were unable to fix the BitDefender Threat Scanner error, we urge you to get help from a technical expert.

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