Panda Security Panda Free Antivirus DLL PSUAShell.dll

How to Download and Fix PSUAShell.dll DLL Errors

Last Updated: 11/28/2023
[Time to Read: ~3-5 minutes]

Shell extension files, such as PSUAShell.dll, are considered a type of Win64 DLL (Dynamic link library) file. They are associated with the DLL file extension, developed by Panda Security for Consumer Product.

The first version of PSUAShell.dll for Panda Free Antivirus 18.06 was seen on 03/21/2018 in Windows 10. According to our records, this release is the only version of this file offered by Panda Security.

Continue reading below to discover detailed file information, DLL file troubleshooting, and free downloads of several versions of PSUAShell.dll.

File Analysis Provided by Jason Geater (Author)

File Overview

General Information ^✻
File Name:	PSUAShell.dll
File Extension:	DLL file extension
Description:	Shell extension
Object File Type:	Dynamic link library
File Operating System:	Windows NT 32-bit
MIME Type:	application/octet-stream
User Popularity Rating:

Developer and Software Information
Software Developer:	Panda Security, S.L.
Software Program:	Consumer Product
Legal Copyright:	© Panda 2018

File Details
Character Set:	Unicode
Language Code:	English (U.S.)
File Flags:	(none)
File Flags Mask:	0x003f
Entry Point:	0x1c41c
Code Size:	193024

View Other PSUAShell.dll Information

File Info	Description
File Size:	320 kB
File Modification Date/Time:	2019:10:09 13:35:33+00:00
File Type:	Win64 DLL
MIME Type:	application/octet-stream
Machine Type:	AMD AMD64
Time Stamp:	2018:12:19 20:47:51+00:00
PE Type:	PE32+
Linker Version:	10.0
Code Size:	193024
Initialized Data Size:	117248
Uninitialized Data Size:	0
Entry Point:	0x1c41c
OS Version:	5.2
Image Version:	0.0
Subsystem Version:	5.2
Subsystem:	Windows GUI
File Version Number:	4.0.6.0
Product Version Number:	18.7.0.0
File Flags Mask:	0x003f
File Flags:	(none)
File OS:	Windows NT 32-bit
Object File Type:	Dynamic link library
File Subtype:	0
Language Code:	English (U.S.)
Character Set:	Unicode
Company Name:	Panda Security, S.L.
File Description:	Shell extension
File Version:	4.0.6.0
Internal Name:	PSUAShell.dll
Legal Copyright:	© Panda 2018
Product Name:	Consumer Product
Product Version:	18.7.0.0
Private Build:

^✻ Portions of file data provided by Exiftool (Phil Harvey) distributed under the Perl Artistic License.

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What are PSUAShell.dll Error Messages?

Dynamic Link Library PSUAShell.dll Errors

PSUAShell.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like PSUAShell.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like Setup.exe - to follow. These files were created so that multiple programs (eg. Panda Free Antivirus) could share the same PSUAShell.dll file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared DLL file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when PSUAShell.dll is attempted to be loaded either when Panda Free Antivirus is starting up, or in some cases already running. Some of the most common PSUAShell.dll errors include:

Access Violation at address - PSUAShell.dll.
PSUAShell.dll could not be found.
Cannot find C:\Program Files (x86)\Panda Security\Panda Security Protection\PSUAShell.dll.
Cannot register PSUAShell.dll.
Cannot start Panda Free Antivirus. A required component is missing: PSUAShell.dll. Please install Panda Free Antivirus again.
Failed to load PSUAShell.dll.
The application has failed to start because PSUAShell.dll was not found.
The file PSUAShell.dll is missing or corrupt.
This application failed to start because PSUAShell.dll was not found. Re-installing the application may fix this problem.

Your PSUAShell.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Panda Free Antivirus), or deleted by a malware infection. Furthermore, PSUAShell.dll file corruption could be caused from a power outage when loading Panda Free Antivirus, system crash while loading PSUAShell.dll, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

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How to Fix PSUAShell.dll Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your PSUAShell.dll issue. These troubleshooting steps are listed in the recommended order of execution.

Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
When you see the search box, type "System Restore" and press "ENTER".
In the search results, find and click System Restore.
Please enter the administrator password (if applicable / prompted).
Follow the steps in the System Restore Wizard to choose a relevant restore point.
Restore your computer to that backup image.

If the Step 1 fails to resolve the PSUAShell.dll error, please proceed to the Step 2 below.

Step 2: If recently installed Panda Free Antivirus (or related software), uninstall then try reinstalling Panda Free Antivirus software.

You can uninstall Panda Free Antivirus software by following these instructions (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
In the search box, type "Uninstall" and press "ENTER".
In the search results, find and click "Add or Remove Programs"
Find the entry for Panda Free Antivirus 18.06 and click "Uninstall"
Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Panda Free Antivirus software.

If this Step 2 fails as well, please proceed to the Step 3 below.

Panda Free Antivirus 18.06

Panda Security

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many PSUAShell.dll error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

Hit the Windows Start button
In the search box, type "Update" and press "ENTER".
In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
If updates are available for download, click "Install Updates".
After the update is completed, restart your PC.

If Windows Update failed to resolve the PSUAShell.dll error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your PSUAShell.dll File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate PSUAShell.dll file version. We maintain a comprehensive database of 100% malware-free PSUAShell.dll files for every applicable version of Panda Free Antivirus. Please follow the steps below to download and properly replace you file:

Locate your Windows operating system version in the list of below "Download PSUAShell.dll Files".
Click the appropriate "Download Now" button and download your Windows file version.
Copy this file to the appropriate Panda Free Antivirus folder location:

Windows 10: C:\Program Files (x86)\Panda Security\Panda Security Protection\
Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.

GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve PSUAShell.dll problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.

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Download PSUAShell.dll Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying PSUAShell.dll to your appropriate Windows system directory. Panda Security typically does not release Panda Free Antivirus DLL files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing PSUAShell.dll and all other DLL files for Panda Free Antivirus. An incorrectly installed DLL file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Panda Free Antivirus 18.06

Panda Free Antivirus 18.06

File Name

Software Version

File Version

Architecture

PSUAShell.dll

18.7.0.0

4.0.6.0

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	Consumer Product
Software Version:	18.7.0.0
File Version:	4.0.6.0
File Size:	327768
File Date:	10/09/2019
MD5 Checksum:	0a7c2f244621047bbed403607926b434
SHA1 Checksum:	ab8d82919e1e72e8e40b59fe64262e3a80d1bb33
SHA256 Checksum:	665cef7d4cddc0a1505371bd64a28d5d7bfc61ec0b15e338e1688281fc86e60d
CRC32:
File Directory Location:	C:\Program Files (x86)\Panda Security\Panda Se ...

File Version, System, and Machine Information
File Type:	Win64 DLL
Image Version:	0.0
Initialized Data Size:	117248
Linker Version:	10.0
Machine Type:	AMD AMD64
PE Type:	PE32+
Subsystem:	Windows GUI
Subsystem Version:	5.2
File Modification Date/Time:	10/09/2019

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Files Related to PSUAShell.dll

DLL Files Related to PSUAShell.dll

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
System.Net.Http.Extens...	System.Net.Http.Extensions	System.Net.Http.Extensions (2.2.29.0)	22232	C:\Windows\System32\winevt\Logs\
PSANUpgSI.dll	PSANUpgS Dynamic Link Library	Consumer Deploy (18.7.0.0)	653224	C:\Windows\Prefetch\
PSNCCfgStore.dll	Dynamic Link Library	Consumer Common (18.7.0.0)	123792	C:\Windows\Prefetch\
psenfilter.dll	NanoAV Filter	Consumer Engine (18.7.0.0)	142880	C:\Windows\Prefetch\
pknspam.dll	Panda Anti-Malware Protection Service Library	Panda Anti-Malware (4.6.4.61)	227528	C:\Windows\Prefetch\

Other Files Related to PSUAShell.dll

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
CBS.log	Log	Panda USB Vaccine 1.0.1.4	888625	C:\Windows\Logs\CBS\
setupact.log	Log	Panda USB Vaccine 1.0.1.4	22792	C:\Windows\System32\Sysprep\Panther\
setupact.log	Log	Panda Free Antivirus 18.06	24317	C:\Windows\System32\Sysprep\Panther\
SA.DAT	Game Data	Panda USB Vaccine 1.0.1.4	6	C:\WINDOWS\Tasks\
SA.DAT	Game Data	Panda Free Antivirus 18.06	6	C:\WINDOWS\Tasks\

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