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How to Fix psapi.dll Missing Error (Solved)
What is psapi.dll?
psapi.dll, short for Performance API DLL, is a Dynamic Link Library file that provides functions used for querying information about the performance of processes and threads in Windows operating systems. It’s an essential component for various applications to monitor and manage system resources.
Why is psapi.dll missing?
The absence of the psapi.dll file can be caused by several reasons, such as malware infection that deletes or corrupts system files, accidental deletion during system maintenance, or incompatible software updates.
Step-by-Step Fixes:
Method 1: Reinstall Visual C++ Redistributable
One potential cause of the psapi.dll error is missing or corrupted Microsoft Visual C++ Redistributable packages. To resolve this, you should reinstall these packages.
- Download the appropriate version of the Visual C++ Redistributable package for your system from Microsoft’s official website.
- Run the downloaded setup file and follow the on-screen instructions to complete the installation process.
Method 2: Run SFC /scannow command
System File Checker (SFC) is a utility that scans for and repairs missing or corrupted system files. Running an SFC scan may help fix the psapi.dll error.
- Press Windows Key + X and select “Command Prompt (Admin)” from the menu.
- Type the following command and press Enter:
“`
sfc /scannow
“`
Wait for the process to complete. If any system files are found to be corrupted, they will be automatically repaired.
Method 3: Update System Drivers
Outdated or incorrect drivers can also cause psapi.dll errors. To ensure that your system drivers are up-to-date:
- Press Windows Key + X and select “Device Manager” from the menu.
- Expand the categories, right-click on a device, and select “Update Driver”.
- Choose “Search automatically for updated driver software” and follow the on-screen instructions to complete the update process for all devices.
Conclusion
The psapi.dll error can be frustrating but can typically be resolved by following the methods outlined in this guide, such as reinstalling Visual C++ Redistributable, running an SFC scan, or updating system drivers.
If you continue to experience issues after trying these solutions, consider seeking professional assistance from a Windows technician.