How to know which programs are using a DLL in Windows?

To know which applications or processes are using a DLL from the Command Prompt, use TASKLIST command with the following syntax.

tasklist /m [module]

For example, running the following command will list all applications that are using the ADVAPI32.dll:

tasklist /m ADVAPI32.dll

[Update 2023-07-20] Output in Windows 11:

Note: To open the Command Prompt, go to Start > Run. Then type CMD and hit Enter.

How to know which DLLs are being used by a program in Windows?

From the command line run the following command syntax:

tasklist /m /fi "IMAGENAME eq [filename.exe]"

Replace the [filename.exe] above with the executable file name for which you need information.

For example: With Notepad.exe

Command:
tasklist /m /fi "IMAGENAME eq notepad.exe"

Sample Output:

Image Name                   PID Modules
========================= ====== =============================================
NOTEPAD.EXE                 3340 ntdll.dll, kernel32.dll, comdlg32.dll,
                                 ADVAPI32.dll, RPCRT4.dll, Secur32.dll,
                                 COMCTL32.dll, msvcrt.dll, GDI32.dll,
                                 USER32.dll, SHLWAPI.dll, SHELL32.dll,
                                 WINSPOOL.DRV, ShimEng.dll, AcGenral.DLL,
                                 WINMM.dll, ole32.dll, OLEAUT32.dll,
                                 MSACM32.dll, VERSION.dll, USERENV.dll,
                                 UxTheme.dll, IMM32.DLL, LPK.DLL, USP10.dll,
                                 MSCTF.dll, msctfime.ime, autoaway.dll

Update: 2023-07-20

Here is a screenshot from Windows 11

Note: To open the Command Prompt, go to Start > Run. Then type CMD and hit Enter.

Large Hadron Collider Activated

The Large Hadron Collider (LHC) was activated for the first time today on 10 September 2008. The LHC is the world's largest and most powerful subatomic particle accelerator.

Google Chrome (Beta) Released

Google has launched the beta release of an open source web browser named Google Chrome which is available for Windows XP and Vista only. The browser can be downloaded from here for free.

Google Chrome is based on WebKit, the open-source rendering engine which is used by Apple’s Safari browser and Google’s Android operating system.

The web browser market is presently dominated by Microsoft's Internet Explorer with 80% of the market.

Google also launched a 38-page comic book along with the browser to describe its usage which is available here. The Blogoscoped article here covers details of what is going on. BBC has covered the event here.