libnspr4.dll: download the file and fix the error

32-bit (x86) Netscape Portable Runtime Scanned by antivirus

libnspr4.dll is a file of the software Netscape Portable Runtime (“NSPR Library”), published by Mozilla Foundation. Version offered here: 4.12, 32-bit.

If this file is missing or damaged, the program that uses it does not start and Windows displays an error message. Two methods can fix the error, below.

Method 1 · quick · about 1 minute

Download only libnspr4.dll

Ideal if only this file is reported missing: you replace a single file, without reinstalling anything.

⇓ Download libnspr4.dll .zip file: the DLL + its instructions · downloaded 1,744 times

Version: 4.12
Architecture: 32-bit (x86)
Size: 202.75 KB
Publisher: Mozilla Foundation

Then:

Extract libnspr4.dll from the zip file and copy it to the folder of the program showing the error (where its .exe file is).
Still getting the error? Copy it to C:\Windows\SysWOW64 (64-bit Windows) or C:\Windows\System32 (32-bit Windows), then restart.

SHA-256: 2a6a0519a1b4470751a7db17fbc9f46229baff32db37ef571fcd36d2a42f434b · Check on VirusTotal · Product: Netscape Portable Runtime

Method 2 ·complete · depends on the program

Reinstall the program that shows the error

The program normally provides libnspr4.dll itself, in the exact version it expects. Recommended if several files are missing or if the error comes back.

Settings › Apps › Installed apps: uninstall the program or game concerned.
Reinstall it from its original setup program, then restart your computer.

Error messages related to libnspr4.dll

The program can't start because libnspr4.dll is missing.
Failed to load libnspr4.dll
Error loading libnspr4.dll. The specified module could not be found.

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