What is WindowsSupportDll32.dll?

WindowsSupportDll32.dll is digitally signed by Zhang Ling.

WindowsSupportDll32.dll is usually located in the 'C:\Program Files\SupTab\' folder.

Some of the anti-virus scanners at VirusTotal detected WindowsSupportDll32.dll.

If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.

Vendor and version information [?]

WindowsSupportDll32.dll does not have any version or vendor information.

Digital signatures [?]

WindowsSupportDll32.dll has a valid digital signature.

Signer nameZhang Ling
Certificate issuer nameWoSign Class 2 Code Signing CA
Certificate serial number07dac38db37e09df8c8634065592dfe3

VirusTotal report

1 of the 54 anti-virus programs at VirusTotal detected the WindowsSupportDll32.dll file. That's a 2% detection rate.

ScannerDetection Name
AVG Zhangling.BCD
1 of the 54 anti-virus programs detected the WindowsSupportDll32.dll file.

Folder name variants

WindowsSupportDll32.dll may also be located in other folders than C:\Program Files\SupTab\. The most common variants are listed below:

Hashes [?]


What will you do with the file?

To help other users, please let us know what you will do with the file:

What did other users do?

The poll result listed below shows what users chose to do with the file. 83% have voted for removal. Based on votes from 158 users.

User vote results: There were 131 votes to remove and 27 votes to keep

NOTE: Please do not use this poll as the only source of input to determine what you will do with the file.

Malware or legitimate?

If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.

Please select the option that best describe your thoughts on the information provided on this web page

Free online surveys

And now some shameless self promotion ;)

A screenshot of FreeFixer's scan result.Hi, my name is Roger Karlsson. I've been running this website since 2006. I want to let you know about the FreeFixer program. FreeFixer is a freeware tool that analyzes your system and let you manually identify unwanted programs. Once you've identified some malware files, FreeFixer is pretty good at removing them. You can download FreeFixer here. It runs on Windows 2000/XP/2003/2008/2016/2019/Vista/7/8/8.1/10. Supports both 32- and 64-bit Windows.

If you have questions, feedback on FreeFixer or the freefixer.com website, need help analyzing FreeFixer's scan result or just want to say hello, please contact me. You can find my email address at the contact page.


Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.

I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.

Gurjot writes

-1 thumb

WindowsSupportDll32.dll this file is stored in suptab folder in program file and when i try to delete it shows error "this action cannot be completed because file is opened in loader32 "
What to do now

# 24 Jul 2014, 20:59

Roger Karlsson writes

-1 thumb

FreeFixer should be able to delete the file.

# 3 Aug 2014, 14:29

Leave a reply