vissupp1.dll: download the file and fix the error

32-bit (x86) Microsoft Visio Scanned by antivirus

vissupp1.dll is a file of the software Microsoft Visio (“UML support dll.”), published by Microsoft Corporation. Version offered here: 10.525.0, 32-bit.

Programs that need it refuse to start, or show an error, when it is missing or damaged. Two methods can fix the error, below.

Method 1 · quick · about 1 minute

Download only vissupp1.dll

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

⇓ Download vissupp1.dll .zip file: the DLL + its instructions · downloaded 2,045 times

Version: 10.525.0
Architecture: 32-bit (x86)
Size: 561.15 KB
Publisher: Microsoft Corporation

Then:

Extract vissupp1.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: 3b349696324972d18e149a619b63abb9f0baeaad4273df7b24d9cb7ad6da7c4f · Check on VirusTotal · Product: Microsoft Visio

Method 2 · complete · depends on the program

Reinstall the program that shows the error

The program normally provides vissupp1.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 vissupp1.dll

The program can't start because vissupp1.dll is missing.
Error loading vissupp1.dll. The specified module could not be found.
Failed to load vissupp1.dll

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