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Validated Hashes 1,838,869
Queued for Validation 20,303
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DLL

System.Data.dll

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

(765 Files Available)
Last Updated
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Repository Analysis

Company
Microsoft Corporation
Product
Microsoft® .NET
Description
System.Data
Architecture
x86 (32 bit) x86-64 (64 bit) ARM64 Unknown Unknown Unknown
Metadata Consensus
356/765 Files 46.5%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Companies

  • Microsoft Corporation 465
  • Mono development team 210
  • MONO development team 15
  • Unknown 75

Products

  • Microsoft® .NET 356
  • Mono Common Language Infrastructure 210
  • Microsoft® .NET Framework 106
  • MONO Common language infrastructure 15
  • Microsoft (R) .NET Framework 2
  • Microsoft® .NET Core 1
  • Unknown 75

Descriptions

  • System.Data 377
  • System.Data.dll 224
  • .NET Framework 81
  • Unknown 83

Frequently Asked Questions

What is System.Data.dll?

Metadata analysis shows System.Data.dll is a Dynamic Link Library (DLL) developed by Microsoft Corporation for Microsoft® .NET and is described as “System.Data” .

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 Most errors occur because the DLL is missing, corrupted, or outdated.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

Browse all files to filter by metadata and to view the latest version available.

NEW Verified
System.Data.dll
by Mono development team
for Mono Common Language Infrastructure
System.Data.dll
System.Data.dll
Version: 4.6.57.0
Product Version: 4.6.57.0
Language: - (0)
Uploaded: Aug 30, 2026   Size: 2MB
SHA256: 585514963618aa43c280da54e346daace864105b4c420548179a80a5488989c0
SHA1: 22582fc7b617858a8054bd682768bcc9463a11d8
MD5: 5146a24a657bdaf9b466ace1f55e8b5c
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
NEW Verified
System.Data.dll
by Mono development team
for Mono Common Language Infrastructure
System.Data.dll
System.Data.dll
Version: 4.0.30319.17020
Product Version: 4.0.30319.17020
Language: - (0)
Uploaded: Aug 30, 2026   Size: 1.9MB
SHA256: 4a4284e45f2b453bf04650aa3f86872fcfce74f4559f2d87ff7a1556b268d958
SHA1: f648da82b5ba59260fe006f161bc3cc79dec5d85
MD5: 5e33b805a4aa9a710625664642e7257a
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
NEW Verified
System.Data.dll
by Mono development team
for Mono Common Language Infrastructure
System.Data.dll
System.Data.dll
Version: 4.0.30319.17020
Product Version: 4.0.30319.17020
Language: - (0)
Uploaded: Aug 30, 2026   Size: 1.9MB
SHA256: 75ddba6f9c01106c5e00bce9891a87f52b332e19204e683c9f4819381f060479
SHA1: 669acb77d26ef43e820a20cbbc7ac9b64e7b65b4
MD5: b52e137f2890776cab12a7a55a7609a2
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
NEW Verified
System.Data.dll
by Mono development team
for Mono Common Language Infrastructure
System.Data.dll
System.Data.dll
Version: 4.0.30319.17020
Product Version: 4.0.30319.17020
Language: - (0)
Uploaded: Aug 30, 2026   Size: 1.9MB
SHA256: 0fed01d5fdf1dcb232582657be976212b7a215da4b1051355829b3345763afa5
SHA1: 3eed7747bd93ad184477dd1e8ddce2a52f3f867b
MD5: cbb4c40267e1d3b68cc04d193cbaa9ab
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
NEW Verified
System.Data.dll
by Mono development team
for Mono Common Language Infrastructure
System.Data.dll
System.Data.dll
Version: 4.6.57.0
Product Version: 4.6.57.0
Language: - (0)
Uploaded: Aug 30, 2026   Size: 2MB
SHA256: 5a98aaff25bcaa4a3ad664f3f09de76adf14e2e7e9d4967c134dcff0209903b4
SHA1: 8de29e5cfe593fc0c4fc761330ee3fac7a395687
MD5: b17d5de424bf07612dd36a566a0b141e
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD