DLL

WasmAppHost.dll

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

(10 Files Available)
Last Updated

Repository Analysis

Company
Microsoft Corporation
Product
Microsoft® .NET
Description
WasmAppHost
Architecture
x86 (32 bit)
Metadata Consensus
10/10 Files 100%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare differences between variants.

Frequently Asked Questions

What is WasmAppHost.dll?

Metadata analysis shows WasmAppHost.dll is a Dynamic Link Library (DLL) and is described as WasmAppHost .

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 Most errors occur because the DLL is missing, corrupted, or outdated.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 WasmAppHost.dll errors?

Most errors involving WasmAppHost.dll occur because the DLL is missing, corrupted, or outdated.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 WasmAppHost.dll?

To install WasmAppHost.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\WasmAppHost.dll.
  • 64-bit Install: Place 64-bit DLL files in the System32 folder, C:\Windows\System32\WasmAppHost.dll
  • 32-bit Install: Place 32-bit DLL files in the SysWOW64 folder, C:\Windows\SysWOW64\WasmAppHost.dll
How do I register WasmAppHost.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\WasmAppHost.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\WasmAppHost.dll".

Latest Releases

WasmAppHost.dll
by Microsoft Corporation
for Microsoft® .NET
WasmAppHost
Version: 9.0.925.41916 Verified
Product Version: 9.0.9+893c2ebbd49952ca49e93298148af2d95a61a0a4
Language: - (0)
Uploaded: Sep 16, 2025   Size: 166.3KB
SHA256: acd35ce12af8e9dd45bdae57b3b8589c3453d47c318a8f2ddcfa487b115337e5
SHA1: 7438ed4c9a5ce559aa64475fd8ef99f6f4e16b51
MD5: 29297482c3e679f48941bb4d8f771c69
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
WasmAppHost.dll
by Microsoft Corporation
for Microsoft® .NET
WasmAppHost
Version: 7.0.2024.26716 Verified
Product Version: 7.0.20+0fb6ac59fb1edbe4ed3ad62661df0eb7eacd7903
Language: - (0)
Uploaded: Sep 16, 2025   Size: 105.3KB
SHA256: 8240031d0f961460968d86028fc020e048911b8ceb767bbb3e25154c7558e3dc
SHA1: 34f579beea2a37b620ba674eb66644c7cc0613ae
MD5: 17b23fb237ffb1ed70a15430e5e2ab86
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
WasmAppHost.dll
by Microsoft Corporation
for Microsoft® .NET
WasmAppHost
Version: 8.0.2025.41914 Verified
Product Version: 8.0.20+574100b692e71fa3426931adf4c1ba42e4ee5213
Language: - (0)
Uploaded: Sep 16, 2025   Size: 164.8KB
SHA256: 492616af9dca08bf7d6eaa404fd2eb295af48b8fb74a1e57bd5a32f7bee313bf
SHA1: d5a989294ca9ffdd77171cfc536ff5a7bd380a6b
MD5: 82c39829c0f64abcfd91706db8056182
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
WasmAppHost.dll
by Microsoft Corporation
for Microsoft® .NET
WasmAppHost
Version: 10.0.25.45207 Verified
Product Version: 10.0.0-rc.1.25451.107+2db1f5ee2bdda2e8d873769325fabede32e420e0
Language: - (0)
Uploaded: Sep 16, 2025   Size: 169.8KB
SHA256: 4b4452a37ed59bee44b1e7b0daecc9caf278798e95bb05ee8b087c80e5bc8855
SHA1: c0caacf4b1e14882fab00640cebd9494d960e958
MD5: c43806f064ad6beb941bdf50e3dcb031
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
WasmAppHost.dll
by Microsoft Corporation
for Microsoft® .NET
WasmAppHost
Version: 7.0.1824.16914 Verified
Product Version: 7.0.18+544c7e6eb3d5525c6f85341f51217d81d7c8ed80
Language: - (0)
Uploaded: Jun 15, 2024   Size: 105.2KB
SHA256: 40b3a9770d8da74ce8868f480ebadf6a5845b180150453aaac6a8df04966d7ee
SHA1: 3993a94a7d41e41e16adee7542d5a40fdba2cbd5
MD5: 3f58d68a7c097c38212704d4a0c5a029
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD