DLL

cscompui.dll

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

(181 Files Available)
Last Updated
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Repository Analysis

Company
Microsoft Corporation
Product
Microsoft® .NET Framework
Description
Visual C#® Compiler Error/Warning Messages
Architecture
x86 (32 bit) x86-64 (64 bit)
Metadata Consensus
73/181 Files 40.3%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Frequently Asked Questions

What is cscompui.dll?

Metadata analysis shows cscompui.dll is a Dynamic Link Library (DLL) developed by Microsoft Corporation for Microsoft® .NET Framework and is described as “Visual C#® Compiler Error/Warning Messages” .

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 Most errors occur because the DLL is missing, corrupted, or outdated.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

cscompui.dll
by Microsoft Corporation
for Microsoft® .NET Framework
Visual C#® Derleyicisi Hata/Uyarı İletileri
Nitelik=Perakende
Version: 4.0.30319.18408 built by: FX451RTMGREL Verified
Product Version: 4.0.30319.18408
Language: Turkish (1055)
Uploaded: Jan 12, 2026   Size: 205.1KB
SHA256: afdca5fe9b237186a9743c997bbb17823eb5ddf049e08829f1a1ab772f72549b
SHA1: fc2a514c598f84e1f1110b403f92108c8a9263e1
MD5: f7258570fe1934611d4f0e4940f6f525
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
cscompui.dll
by Корпорация Майкрософт
for Microsoft® .NET Framework
Сообщения об ошибках/предупреждения компилятора Visual C#®
Flavor=Retail
Version: 4.0.30319.18408 built by: FX451RTMGREL Verified
Product Version: 4.0.30319.18408
Language: Russian (1049)
Uploaded: Jan 12, 2026   Size: 221.6KB
SHA256: 295734c7794f32a6c33a0e11ed3b0568b49451e993114e15a87089b93ae32cb0
SHA1: 22cfb10fa8d4f3fc62f864c5f9a8e3bbbc6642b0
MD5: ff1fc1a3297e9ae38a39fe40b49f91a4
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
cscompui.dll
by Microsoft Corporation
for Microsoft® .NET Framework
Mensagens de Aviso/Erro do Compilador do Visual C#®
Flavor=Retail
Version: 4.0.30319.18408 built by: FX451RTMGREL Verified
Product Version: 4.0.30319.18408
Language: Portuguese (Brazil) (1046)
Uploaded: Jan 12, 2026   Size: 216.6KB
SHA256: 4a7be171b5399a9d85793e7d2a07eb71b214946f8aed83c3c453a6080772c550
SHA1: d505b88d3a2a1df6eafd0e219527f7f6e505668d
MD5: 0098db1f7de5a5b857a773c308d0e3b9
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
cscompui.dll
by Microsoft Corporation
for Microsoft® .NET Framework
Komunikaty o błędach/ostrzeżeniach kompilatora Visual C#® Compiler
Wersja=handlowa
Version: 4.0.30319.18408 built by: FX451RTMGREL Verified
Product Version: 4.0.30319.18408
Language: Polish (1045)
Uploaded: Jan 12, 2026   Size: 230.1KB
SHA256: 47ba2cb95c393c17ccea517e8d9479f25f86902af6313c70e88a4bfe77c4371e
SHA1: 1c8b83d01a6621267e1aa947ff1af6ba47348890
MD5: b356b242e4d45218d173d692711ede57
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
cscompui.dll
by Microsoft Corporation
for Microsoft® .NET Framework
Visual C#® Compiler Error/Warning Messages
Flavor=Retail
Version: 4.0.30319.18408 built by: FX451RTMGREL Verified
Product Version: 4.0.30319.18408
Language: Korean (1042)
Uploaded: Jan 12, 2026   Size: 136.6KB
SHA256: e511a31908ee2bf84156fe04b8696451b0d3249b68201f15ddfb86e2a95ed406
SHA1: f2cbac00c78e3bb3b6bb4b9acc802c471bbeba66
MD5: 62aebd8eb3f246b540e1f76f7884e12c
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD