libgcc_s_seh-1.dll: download the file and fix the error
libgcc_s_seh-1.dll is a file of the software GCC (MinGW-w64) (“GCC runtime library”), published by Free Software Foundation. Version offered here: 16.2.0, 64-bit.
An error message appears when the program concerned starts if this file is missing, deleted or corrupted. Two methods can fix the error, below.
Method 1 · quick · about 1 minute
Download only libgcc_s_seh-1.dll
Ideal if only this file is reported missing: you replace a single file, without reinstalling anything.
- Version
- 16.2.0
- Architecture
- 64-bit (x64)
- Size
- 149.36 KB
- Publisher
- Free Software Foundation
Then:
- Extract libgcc_s_seh-1.dll from the zip file and copy it to the folder of the program showing the error (where its
.exefile is). - Still getting the error? Also copy it to
C:\Windows\System32(64-bit Windows only), then restart.
64-bit version: it does not work with a 32-bit program. In that case, use method 2.
SHA-256: 661f70dc19fde8c25bb56387b807b7a9ab7e532cf58fa8aeee078256c19d8980 ·
Check on VirusTotal
· Product: GCC (MinGW-w64)
Method 2 · complete · depends on the program
Reinstall the program that shows the error
The program normally provides libgcc_s_seh-1.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 libgcc_s_seh-1.dll
- The program can't start because libgcc_s_seh-1.dll is missing.
- Failed to load libgcc_s_seh-1.dll
- Error loading libgcc_s_seh-1.dll. The specified module could not be found.