How to Fix psapi.dll Missing Error – Step by Step

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How to Fix psapi.dll Missing Error (Solved)

How to Fix psapi.dll Missing Error (Solved)

What is psapi.dll?

psapi.dll short for Performance Application Interface Dynamic Link Library is a crucial system file in Microsoft Windows operating systems. It provides various functions related to system performance monitoring and process management.

Why is psapi.dll missing?

A missing or corrupted psapi.dll file can occur due to several reasons including malware infection that deletes or corrupts the file accidental deletion by the user or system updates that may cause the file to become incompatible.

Step-by-Step Fixes:

Method 1: Reinstall Visual C++ Redistributable

Visual C++ Redistributable packages are required by many applications to run correctly and they include the missing or corrupted DLL files. To reinstall follow these steps:

  1. Visit the Microsoft Download Center at this link.
  2. Select the appropriate version for your system (x86 or x64) and click on “Download.”
  3. Follow the installation instructions to complete the process.

Method 2: Run SFC /scannow command

The System File Checker (SFC) tool can help repair corrupted system files including psapi.dll. To run the SFC command:

  1. Press “Windows Key + X” and select “Command Prompt (Admin)” or “PowerShell (Admin).”
  2. Type `sfc /scannow` and press Enter.
  3. Wait for the process to complete. Restart your computer if prompted.

Method 3: Update System Drivers

Outdated drivers can cause compatibility issues with system files like psapi.dll. To update your system drivers:

  1. Press “Windows Key + X” and select “Device Manager.”
  2. Expand the categories right-click on a device and select “Update Driver.”
  3. Choose “Search automatically for updated driver software.” Repeat this process for all devices.

Conclusion

By following the provided methods you should be able to resolve the psapi.dll missing error on your Windows system. If the problem persists it’s recommended to consult a professional technician for further assistance.


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