DLLme Status Repository Overview
Libraries 241,572
Validated Hashes 1,788,753
Queued for Validation 20,119
Quarantined 2,356
DLL

WebAppUpgrade.dll

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

(11 Files Available)
Last Updated
Downloads

Repository Analysis

Company
Microsoft Corporation
Product
Microsoft® Visual Studio®
Description
Visual Studio Web Application Project Upgrade DLL
Architecture
x86-64 (64 bit) x86 (32 bit)
Metadata Consensus
8/11 Files 72.7%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Companies

  • Microsoft Corporation 11

Products

  • Microsoft® Visual Studio® 8
  • Microsoft® Visual Studio® 2013 1
  • Microsoft® Visual Studio® 2012 1
  • Microsoft® Visual Studio® 2010 1

Descriptions

  • Visual Studio Web Application Project Upgrade DLL 11

Frequently Asked Questions

What is WebAppUpgrade.dll?

Metadata analysis shows WebAppUpgrade.dll is a Dynamic Link Library (DLL) developed by Microsoft Corporation for Microsoft® Visual Studio® and is described as “Visual Studio Web Application Project Upgrade DLL” .

DLL files (Dynamic Link Libraries) are shared core modules used by Windows programs to run efficiently without duplicating code. Most errors occur because the DLL is missing, corrupted, or outdated.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 missing DLL errors?
1

Software Fix

Fully uninstall and reinstall the program causing the error. If you are not sure what program is broken, look at the available file metadata above for hints. If a clean reinstall fails, download and install the DLL file manually.

2

Windows System Fix

Make sure Windows is fully updated. To repair system files automatically, right-click the Start menu, open PowerShell (Admin), and run these two commands in order:

Step A DISM /Online /Cleanup-Image /RestoreHealth
Step B sfc /scannow
How do I install DLL files?
1

Download & Extract

Download the file, right-click the folder, and extract all files to your computer.

2

Install the .DLL

Move the extracted DLL file into the root folder of the software that is giving you the error (where its .exe file is located), or place it in the system directory below:

32-bit → C:\Windows\SysWOW64
64-bit → C:\Windows\System32
3

Restart the Program

Close and reopen the program or game so Windows can look for and load the new DLL file.

How do I register DLL files?

Most DLL files do not need registration. However, if your file is a COM component and requires explicit system registration, follow these steps:

1

Open Terminal

Right-click the Start menu and open PowerShell (Admin) or Command Prompt (Admin).

2

Run Command

Type the command below for your file type and press Enter. You can drag and drop the DLL file directly into the terminal window to fill its path automatically.

64-bit regsvr32 "C:\path\to\filename.dll"
32-bit C:\Windows\SysWOW64\regsvr32 "C:\path\to\filename.dll"

Latest Releases

NEW Verified
WebAppUpgrade.dll
by Microsoft Corporation
for Microsoft® Visual Studio®
Visual Studio Web Application Project Upgrade DLL
Version: 18.0.12020.428 built by: insiders
Product Version: 18.0.12020.428
Language: U.S. English (1033)
Uploaded: Aug 19, 2026   Size: 328.8KB
SHA256: 9bc280b595d889856a77f2a2006d0a0b80ba56cbdd57f8f0645b265beef68ab9
SHA1: 90d75a45d8ac33f41ea9ad50be34b46b2c1e8e03
MD5: 7ed72f650eb14c7896d32acd1fdbc0ab
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
NEW Verified
WebAppUpgrade.dll
by Microsoft Corporation
for Microsoft® Visual Studio®
Visual Studio Web Application Project Upgrade DLL
Version: 18.0.12106.202 built by: insiders
Product Version: 18.0.12106.202
Language: U.S. English (1033)
Uploaded: Aug 18, 2026   Size: 328.8KB
SHA256: 6042b8ab5df652d42277ad2555299c55209fe610f39c8ba038b7e0e558745c4a
SHA1: 19c25877cb7c968c1891c609a5bd38e4b59df319
MD5: f2ddf8e0f7328587bd068964edb067ff
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
Verified
WebAppUpgrade.dll
by Microsoft Corporation
for Microsoft® Visual Studio®
Visual Studio Web Application Project Upgrade DLL
Version: 18.0.11005.132 built by: d18.0
Product Version: 18.0.11005.132
Language: U.S. English (1033)
Uploaded: Sep 12, 2025   Size: 335.6KB
SHA256: f03c6ba58453864d868a6feb3f317004ce1e273a759a3b57e8db68ee6f1296f3
SHA1: 53dd9742ddeb182fc2279230090a4c0bf4ef2105
MD5: faf69c3d5da84a6a36d9ad6cddfb8f7f
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
Verified
WebAppUpgrade.dll
by Microsoft Corporation
for Microsoft® Visual Studio®
Visual Studio Web Application Project Upgrade DLL
Version: 17.0.35424.110 built by: d17.12
Product Version: 17.0.35424.110
Language: U.S. English (1033)
Uploaded: Nov 18, 2024   Size: 377.1KB
SHA256: ec1a28c7526a29e34c6ce782c8d3f55c11a311483cbe211070d1d371b3ea7f52
SHA1: 6cbda79e8d02083f327f3f0a5a269b19ad46cd4e
MD5: 4a08f6933ab23f3f7dfec821083fabc3
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
Verified
WebAppUpgrade.dll
by Microsoft Corporation
for Microsoft® Visual Studio®
Visual Studio Web Application Project Upgrade DLL
Version: 17.0.34909.67 built by: d17.11
Product Version: 17.0.34909.67
Language: U.S. English (1033)
Uploaded: Jun 14, 2024   Size: 377KB
SHA256: bb515eed8198e70bbd5bbde399d6349bab8c61826b818148a9159172944045db
SHA1: 38dab59fa3765e8b21feac71c93551c465054245
MD5: cb8ae508e696443c0a3f20ce90c2490d
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD