DLL

WwaApi.dll

Download and install WwaApi.dll to fix missing or corrupted DLL errors.

(54 Files Available)
Last Updated

Repository Analysis

Company
Microsoft Corporation
Product
Microsoft® Windows® Operating System
Description
Microsoft Web Application Host API library
Architecture
x86 (32 bit) x86-64 (64 bit) ARM (Thumb 2) ARM64
Metadata Consensus
54/54 Files 100%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare differences between variants.

Frequently Asked Questions

What is WwaApi.dll?

Metadata analysis shows WwaApi.dll is a Dynamic Link Library (DLL) and is described as Microsoft Web Application Host API library .

DLL files (Dynamic Link Library) are used by Windows programs to share code and resources. It allows multiple applications to use the same functions, improving performance and reducing redundancy. Most errors occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application, repairing windows or replacing the DLL resolves the issue.

How do I fix WwaApi.dll errors?

Most errors involving WwaApi.dll occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application or replacing the DLL resolves the issue. The steps below cover the most common ways to fix DLL errors.

  • Software DLLs: Fully un-install the application and then re-install the latest version. If you are not sure what software is causing problems, check available metadata for clues. If this does not solve your issue, you can try downloading and installing the DLL manually.
  • Windows DLLs: Make sure Windows is fully updated, then open Windows Terminal or PowerShell as an administrator. Repair the Windows component store so SFC can pull clean files DISM /Online /Cleanup-Image /RestoreHealth and then scan all system files sfc /scannow to automatically repair problems.
How do I install WwaApi.dll?

To install WwaApi.dll, place the DLL file in the same folder as the application’s .exe file. If you are not sure which version (32-bit or 64-bit) to use, you can safely install both. If you dont know the application or this does not work, install the DLL to the appropriate Windows system folder.

  • Software Install (Recommended): If known, place the DLL file next to the application’s .exe C:\path\to\exe\WwaApi.dll.
  • 64-bit Install: Place 64-bit DLL files in the System32 folder, C:\Windows\System32\WwaApi.dll
  • 32-bit Install: Place 32-bit DLL files in the SysWOW64 folder, C:\Windows\SysWOW64\WwaApi.dll
How do I register WwaApi.dll?

Most DLL files do not need registration, but some DLLs are COM components and must be registered to work correctly. If registration is required, open Windows Terminal or PowerShell as an administrator.

  • 64-Bit DLL: Register the DLL file regsvr32 "C:\path\to\WwaApi.dll". (Drag a DLL to automatically fill the full path).
  • 32 Bit DLL: If you are registering a 32-bit DLL on 64-bit Windows, C:\Windows\SysWOW64\regsvr32 "C:\path\to\WwaApi.dll".

Latest Releases

WwaApi.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Microsoft Web Application Host API library
NEW Version: 10.0.26100.8737 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.8737
Language: U.S. English (1033)
Uploaded: Jul 10, 2026   Size: 395.5KB
SHA256: 6aaea5452cdbd605b3271dd5578a499ce770850f9ba37c465944cf2650a4852c
SHA1: 52ea4106e6ba830549b81c76c067f7f880229d7e
MD5: bfacf2794ba7826df7efe3ea009907aa
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
WwaApi.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Microsoft Web Application Host API library
NEW Version: 10.0.26100.8737 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.8737
Language: U.S. English (1033)
Uploaded: Jul 10, 2026   Size: 528KB
SHA256: f2fdc3751991cbb274947356dcc8d597346a68d12c4032b53cd80386baad4143
SHA1: fecad733bcc1250f93ca025e2b0730f05d0ed0d8
MD5: d9eb21ebdc3b38161122b5b83033df21
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
WwaApi.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Microsoft Web Application Host API library
Version: 10.0.26100.4768 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.4768
Language: U.S. English (1033)
Uploaded: Sep 11, 2025   Size: 532KB
SHA256: e3845eaf98134368c241422585003a1d896cbd94e2d7a431cc47bccf044c6309
SHA1: 01ad4118ed28675d2a35b135978fda2ecc1c2cab
MD5: df99bd07e00620961c26a912747e5232
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
WwaApi.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Microsoft Web Application Host API library
Version: 10.0.26100.3037 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.3037
Language: U.S. English (1033)
Uploaded: Sep 11, 2025   Size: 397.5KB
SHA256: 615b330d4f93f168574731ba648c1be2f42b482c65e6920e6dea6d16a70ff915
SHA1: 8f89505847423e466ff087905f472648bc400220
MD5: b00f71bcdd1661f3c01520890a026628
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
WwaApi.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Microsoft Web Application Host API library
Version: 10.0.26100.4768 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.4768
Language: U.S. English (1033)
Uploaded: Sep 11, 2025   Size: 414KB
SHA256: edd31661522c9d17fdc8b7cc42095b91b6ae8a433cfb6d239f00919f1393bddd
SHA1: e9e0d2b44a7c0e7aee54c2cd087250dab70fc242
MD5: 9d6324c531e5096b2ecb060608044b12
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD