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Validated Hashes 1,796,202
Queued for Validation 20,293
Quarantined 2,356
DLL

InstallationDirLayout.dll

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

(110 Files Available)
Last Updated
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Repository Analysis

Company
Mozilla Foundation
Product
Firefox
Description
Unknown
Architecture
x86-64 (64 bit) x86 (32 bit)
Metadata Consensus
60/110 Files 54.5%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Companies

  • Mozilla Foundation 110

Products

  • Firefox 60
  • LibreWolf 18
  • Firefox Nightly 16
  • Firefox Developer Edition 16

Descriptions

  • Unknown 110

Frequently Asked Questions

What is InstallationDirLayout.dll?

Metadata analysis shows InstallationDirLayout.dll is a Dynamic Link Library (DLL) developed by Mozilla Foundation for Firefox and is described as “Unknown” .

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 Most errors occur because the DLL is missing, corrupted, or outdated.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
InstallationDirLayout.dll
by Mozilla Foundation
for Firefox Nightly
Version: 156.0a1
Product Version: 156.0a1
Language: U.S. English (1033)
Uploaded: Aug 24, 2026   Size: 21.1KB
SHA256: 9f6b4792d0af108fc999d933c17c3401b60165183d30cacf9bd7ec3400a41733
SHA1: cdf01fe11c148082340619f5b32d469f04c90bed
MD5: ddf04bd70f4d1fce9d656ba5d2fecade
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
NEW Verified
InstallationDirLayout.dll
by Mozilla Foundation
for Firefox Nightly
Version: 156.0a1
Product Version: 156.0a1
Language: U.S. English (1033)
Uploaded: Aug 24, 2026   Size: 21.1KB
SHA256: 799df1981cb73da5790fa098e38edf82278616fb71a4b72a5271e56ad37ff80f
SHA1: 4a16397dfa1687783f4196f2617e0d3e40011177
MD5: 21fac27089af1054e7967e246a8bc35b
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
NEW Verified
InstallationDirLayout.dll
by Mozilla Foundation
for Firefox Developer Edition
Version: 155.0
Product Version: 155.0
Language: U.S. English (1033)
Uploaded: Aug 21, 2026   Size: 21.1KB
SHA256: 86afc08d55e296dd1d6af67635e2053a691c5d2f1ab4a0f628731724000ce116
SHA1: e17d82c571c982c19a2491f02d1815f6836404eb
MD5: 87902d689d9b1338097c66e2e3cca63e
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
NEW Verified
InstallationDirLayout.dll
by Mozilla Foundation
for Firefox Developer Edition
Version: 155.0
Product Version: 155.0
Language: U.S. English (1033)
Uploaded: Aug 21, 2026   Size: 21.1KB
SHA256: dd8d370d446d00d3f49c1101c9eb0683f808a1640b0dbcba5f05af38f3213a1e
SHA1: d36cdd91d58a7c963a2b7c4bd9792c3c05efe911
MD5: 7b62dfe704c6a70970863df6792c728c
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
NEW Verified
InstallationDirLayout.dll
by Mozilla Foundation
for Firefox
Version: 153.1.0
Product Version: 153.1.0
Language: U.S. English (1033)
Uploaded: Aug 21, 2026   Size: 21.1KB
SHA256: 9613dbddfe018bf69c35004ffa59fe34a2be53b3d77dcbcceed83f615e961b98
SHA1: 507048aecabb9ca1ca8cc000cb3be3b6b5d852b2
MD5: 2b9faa5c646dd4f0059bc8476a0824ec
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD