DLL

System.Formats.Asn1.dll

Download and install System.Formats.Asn1.dll to fix missing or corrupted DLL errors.

(403 Files Available)
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Repository Analysis

Company
Microsoft Corporation
Product
Microsoft® .NET
Description
System.Formats.Asn1
Architecture
x86 (32 bit) ARM64 x86-64 (64 bit) Unknown Unknown Unknown Unknown Unknown ARM (Thumb 2)
Metadata Consensus
141/403 Files 35%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Frequently Asked Questions

What is System.Formats.Asn1.dll?

Metadata analysis shows System.Formats.Asn1.dll is a Dynamic Link Library (DLL) developed by Microsoft Corporation for Microsoft® .NET and is described as “System.Formats.Asn1” .

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 Most errors occur because the DLL is missing, corrupted, or outdated.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
System.Formats.Asn1.dll
by Microsoft Corporation
for Microsoft® .NET
System.Formats.Asn1
Provides classes that can read and write the ASN.1 BER, CER, and DER data formats.
Version: 10.0.1026.32716
Product Version: 10.0.10+f7d90799ce4ef09a0bb257852a57248d2a8fb8dd
Language: - (0)
Uploaded: Aug 19, 2026   Size: 94.8KB
SHA256: 4dcf62e51aae910b476c5e1528f44bb18808deee60bcc9603699f0415b966fd2
SHA1: 9072a39f237a7da813aff437b84d26590f93fcbe
MD5: 9846ff4b2882d60e720ff37ce59516f7
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
NEW Verified
System.Formats.Asn1.dll
by Microsoft Corporation
for Microsoft® .NET
System.Formats.Asn1
Provides classes that can read and write the ASN.1 BER, CER, and DER data formats.
Version: 10.0.726.21808
Product Version: 10.0.7+b16286c2284fecf303dbc12a0bb152476d662e44
Language: - (0)
Uploaded: Aug 19, 2026   Size: 95.3KB
SHA256: f36c351b72b7dda9273be25fa3ae5d6eade7ced0c3b273979b8ed0085397406e
SHA1: 9762b28d0ba53a186ebccf6fc3fbfec5eb2b950a
MD5: 005cd87134890d959fc8ba0135cda6af
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
NEW Verified
System.Formats.Asn1.dll
by Microsoft Corporation
for Microsoft® .NET
System.Formats.Asn1
Provides classes that can read and write the ASN.1 BER, CER, and DER data formats.
Version: 10.0.326.7603
Product Version: 10.0.3+c2435c3e0f46de784341ac3ed62863ce77e117b4
Language: - (0)
Uploaded: Aug 19, 2026   Size: 107.3KB
SHA256: 4e6480d76201832f772c67cbdc0e329d85d34d7b8e03104793508f98cb33e7c8
SHA1: 0073974d0f693ed9bf22bda7dcbb249f27698441
MD5: abf0fe7e64fa59b00201707b892bf354
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
NEW Verified
System.Formats.Asn1.dll
by Microsoft Corporation
for Microsoft® .NET
System.Formats.Asn1
Provides classes that can read and write the ASN.1 BER, CER, and DER data formats. Commonly Used Types: System.Formats.Asn1.AsnReader System.Formats.Asn1.AsnWriter
Version: 8.0.724.31311
Product Version: 8.0.7+2aade6beb02ea367fd97c4070a4198802fe61c03
Language: - (0)
Uploaded: Aug 19, 2026   Size: 102.3KB
SHA256: 73062b0e80d98f9f51db8f182d2a53f4cbaec76a68af5a5d2606eb0460ca97c7
SHA1: 6fc3834c793c03f240469d78adbf12f50dde401e
MD5: 78e9617adf4ddee7519ad89f47f6dd54
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
NEW Verified
System.Formats.Asn1.dll
by Microsoft Corporation
for Microsoft® .NET
System.Formats.Asn1
Provides classes that can read and write the ASN.1 BER, CER, and DER data formats. Commonly Used Types: System.Formats.Asn1.AsnReader System.Formats.Asn1.AsnWriter
Version: 8.0.724.31311
Product Version: 8.0.7+2aade6beb02ea367fd97c4070a4198802fe61c03
Language: - (0)
Uploaded: Aug 19, 2026   Size: 112.2KB
SHA256: aef9646b8d8f76dc88fde084fdad5c23f22ee7752f7acf95814dab40a07763ae
SHA1: c9fdd92db1190939103dac55f12e0987685d5b55
MD5: 6fafc30099ead46a40492b4aa254f989
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD