zlib1.dll: download the file and fix the error

32-bit (x86) zlib Scanned by antivirus

zlib1.dll is a file of the software zlib (“zlib data compression library”). Version offered here: 1.2.3, 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 zlib1.dll

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

⇓ Download zlib1.dll .zip file: the DLL + its instructions · downloaded 24,161 times

Version: 1.2.3
Architecture: 32-bit (x86)
Size: 59.9 KB

Then:

Extract zlib1.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: b09537250201236472ccd3caff5c0c12a5fad262e1e951350e9e5ed2a81d9dde · Check on VirusTotal · Product: zlib

Method 2 · complete · depends on the program

Reinstall the program that shows the error

The program normally provides zlib1.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 zlib1.dll

The program can't start because zlib1.dll is missing.
Error loading zlib1.dll. The specified module could not be found.
Failed to load zlib1.dll

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