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Manual Guidance
Security Analysis
Safety Score (informational)
97% Safe
Risk score: 1/3 · Checked by WinLibrary Engine
What is psapi.dll?
psapi.dll is a Windows Dynamic Link Library (DLL) referenced by system processes and installed applications. If it is missing or corrupted, Windows may show startup alerts or app crashes.
psapi.dll belongs to the Dynamic Link Library (DLL) family. Depending on the application that installed it, it may be used for UI rendering, networking, media, encryption, or device communication.
Common Error Messages
- psapi.dll is missing from your computer.
- Bad Image: psapi.dll is either not designed to run on Windows or it contains an error.
- psapi.dll could not be loaded.
Example: psapi.dll is missing from your computer.
Possible Causes
- Security software quarantined a file with the same name.
- Registry entries point to a missing or moved location.
- Disk errors, abrupt shutdowns, or failing storage corrupted the file.
- A third‑party installer replaced the file with an incompatible version.
How to Fix Missing Error?
- Run a full malware scan with a trusted antivirus solution.
- If needed, run: DISM /Online /Cleanup-Image /RestoreHealth
- Run Windows Update and reboot.
- Open an elevated Command Prompt and run: sfc /scannow
- Reinstall the application or driver that is related to the error.
Note: The metadata shown here is informational and may not match your exact system. For critical system components, prefer official sources and Windows repair tools.
Technical Details
| Original Filename | psapi.dll |
|---|---|
| Publisher | Microsoft |
| File Type | Dynamic Link Library (DLL) |
| Version | 15.30.7507.2460 |
| File Size | |
| Architecture | x64 |
| Last updated | 2025-07-20 |
| Default location | C:\Windows\System32 |
| Downloads | 1,569,627 |
| Rating | 4.1 / 5 (824 reviews) |
| SHA-256 Hash | 6f1e83fcd4bef294d4e73e0a1fe4bb6506622404f16ae23542c8b0acfce1553f |
| MD5 Hash | 41674ac1c6da2306632865e39975ebb2 |
| Digital signature | Trusted · Microsoft Windows |
FAQ
- Is psapi.dll a virus?
Legitimate system components can share names with malware. Verify the file path (C:\Windows\System32), check signatures, and scan the system if you suspect an infection. - Where is psapi.dll located?
Typical default locations include C:\Windows\System32. The actual path depends on the software that installed it. - Can I download psapi.dll from the internet?
Use only trusted sources. If you are unsure, reinstall the related app/driver or use Windows repair tools instead of copying random files. - What usually causes psapi.dll errors?
Most issues come from corruption, version mismatch, deletion/quarantine by security software, or an incomplete update.