DLL

ucrtbased.dll

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

(191 Files Available)
Last Updated

Repository Analysis

Company
Microsoft Corporation
Product
Microsoft® Windows® Operating System
Description
Microsoft® C Runtime Library
Architecture
x86-64 (64 bit) x86 (32 bit) ARM64 ARM (Thumb 2)
Metadata Consensus
191/191 Files 100%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Frequently Asked Questions

What is ucrtbased.dll?

Metadata analysis shows ucrtbased.dll is a Dynamic Link Library (DLL) and is described as Microsoft® C Runtime 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 Most errors occur because the DLL is missing, corrupted, or outdated.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 ucrtbased.dll errors?

Most errors involving ucrtbased.dll occur because the DLL is missing, corrupted, or outdated.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

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

Latest Releases

ucrtbased.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Microsoft® C Runtime Library
Version: 10.0.17763.132 (WinBuild.160101.0800) Verified
Product Version: 10.0.17763.132
Language: U.S. English (1033)
Uploaded: Dec 24, 2025   Size: 1.8MB
SHA256: 8b4074bcdfb14f9afa270a6a092173c1cc7105169e3c92f17b171df7832017f1
SHA1: 38e41dc127d60d7a343f5551a3d4ebe6ecdffc2d
MD5: 320cbc05f712e73abd5025ef80004f48
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
ucrtbased.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Microsoft® C Runtime Library
Version: 10.0.26100.1 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.1
Language: U.S. English (1033)
Uploaded: Dec 24, 2025   Size: 2.1MB
SHA256: 0dd324cca3a5d3846866e4c8c761563cd5764a7aec8eb9a0e2b2de4fca337984
SHA1: 6d8a6e2a62f88022c1c11e6b129e2d1d9249efba
MD5: ae4ec1058396c6449e30e5c77fce8201
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
ucrtbased.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Microsoft® C Runtime Library
Version: 10.0.22000.832 (WinBuild.160101.0800) Verified
Product Version: 10.0.22000.832
Language: U.S. English (1033)
Uploaded: Dec 15, 2025   Size: 2.1MB
SHA256: 27d6a7b39ff0536de0c59f3d4f92c8b8e825a5813ac015ceea0aa63437b607c5
SHA1: 22f48e7adf603233b5a9eed09c51e359a02e9bb6
MD5: f29a889fdb804ed1b89591478fc4ca09
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
ucrtbased.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Microsoft® C Runtime Library
Version: 10.0.17134.12 (WinBuild.160101.0800) Verified
Product Version: 10.0.17134.12
Language: U.S. English (1033)
Uploaded: Nov 3, 2025   Size: 1.8MB
SHA256: 153ccf5cb972fdc2ce6e36b02ef41e3f7b3082e4eccab2b5892d7edefe947bd1
SHA1: a37a16fe2a5204be7a5607167ff54e2cd3ae2bc5
MD5: 58f27b71a3f5c5c257fe226cbad0db7b
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
ucrtbased.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Microsoft® C Runtime Library
Version: 10.0.22621.1778 (WinBuild.160101.0800) Verified
Product Version: 10.0.22621.1778
Language: U.S. English (1033)
Uploaded: Nov 1, 2025   Size: 2.2MB
SHA256: 41d774a8cd758c01d023aa627e11aa4790f48d84a0d1a88d263466e61e37cdc3
SHA1: 9f2175143e3c10b70b155d765d773024bf2c864b
MD5: c1fcf1a951206a3b84f8a369cc96e1d2
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD