DLL

CastLaunch.dll

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

(22 Files Available)
Last Updated
Downloads

Repository Analysis

Company
Microsoft Corporation
Product
Microsoft® Windows® Operating System
Description
Casting protocol app manager and launcher
Architecture
x86-64 (64 bit) ARM64 x86 (32 bit)
Metadata Consensus
22/22 Files 100%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Frequently Asked Questions

What is CastLaunch.dll?

Metadata analysis shows CastLaunch.dll is a Dynamic Link Library (DLL) developed by Microsoft Corporation for Microsoft® Windows® Operating System and is described as “Casting protocol app manager and launcher” .

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 Most errors occur because the DLL is missing, corrupted, or outdated.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

CastLaunch.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Casting protocol app manager and launcher
Version: 10.0.26100.8115 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.8115
Language: U.S. English (1033)
Uploaded: Jul 10, 2026   Size: 124KB
SHA256: 44a19368416870f83cff14666b0012b4c051272a471025a1bd85249ad4fa1b5b
SHA1: a4a468c9e36cf912967fcf42756125ccb44973c9
MD5: c1e7a3d1487d6ca2a2aa83434bcbe8b5
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
CastLaunch.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Casting protocol app manager and launcher
Version: 10.0.22621.4541 (WinBuild.160101.0800) Verified
Product Version: 10.0.22621.4541
Language: U.S. English (1033)
Uploaded: Dec 27, 2024   Size: 124KB
SHA256: 395c1bede49b949abd23d73c2ae6e323a4346cee2068a99c42a73232ef8e8317
SHA1: 3ad9c2111e29f1e0bfdc489714c7ae51275c77e7
MD5: 1cd54f4d9c98c1d6735acdfad6762a32
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
CastLaunch.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Casting protocol app manager and launcher
Version: 10.0.26100.1150 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.1150
Language: U.S. English (1033)
Uploaded: Nov 22, 2024   Size: 124KB
SHA256: a24aef929d6f2f5c2fc98e6f25b88810d838fb4c7215b07b68e3d1beb81c7acf
SHA1: c3adfbc73ca5ecbfd33b23d83d611521175fb12b
MD5: a1c89496409d000cf5e979091ed7228b
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
CastLaunch.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Casting protocol app manager and launcher
Version: 10.0.26100.1 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.1
Language: U.S. English (1033)
Uploaded: Nov 22, 2024   Size: 124KB
SHA256: 5731d10cbf13ab1cb75138dfc6a68572d2f19ec0ba225aee18f201f304b57fac
SHA1: d5a5fadb085583dca79ae4d61f4902206094b5b7
MD5: 2c63416f3e93f95e8485c604353c9fda
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
CastLaunch.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Casting protocol app manager and launcher
Version: 10.0.22621.3527 (WinBuild.160101.0800) Verified
Product Version: 10.0.22621.3527
Language: U.S. English (1033)
Uploaded: May 20, 2024   Size: 124KB
SHA256: e8e6a2053b7707ecfa8ce7ad6e00ff4b35b2975e8fd1e05cf1db54bce5c175d8
SHA1: 4ae5cc5c763b142a6061536c343d79c740c8f87c
MD5: 371bfc984676fd915580af31efa6a32d
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD