Repair and Download perfos.dll Now

Sometimes Windows system displays error messages regarding corrupted or missing perfos.dll files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent perfos.dll file can therefore effect in failed execution of the started process.

perfos.dll file Windows System Performance Objects DLL. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of perfos.dll related errors on your device. You can also download perfos.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP

User popularity

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download perfos.dll

4.1 List of perfos.dll file versions

File info

General information
Filename	perfos.dll
File extension	DLL
Description	Windows System Performance Objects DLL

Software
Program	Microsoft® Windows® Operating System
Author	Microsoft Corporation

Details
MIME type	application/octet-stream
File type	Dynamic link library
System	Windows NT 32-bit
Copyrights	© Microsoft Corporation. All rights reserved.
Character set	Unicode
Language cod	English (U.S.)

Most common perfos.dll file related problems

There are various types of errors related to perfos.dll file. perfos.dll file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to perfos.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

perfos.dll is corrupted
perfos.dll cannot be located
Runtime Error - perfos.dll
perfos.dll file error
perfos.dll file cannot be loaded. Module was not found
cannot register perfos.dll file:
perfos.dll file could not be loaded
perfos.dll file doesn't exist

perfos.dll

Application could not be started because perfos.dll file is missing. Reinstall the application to solve the problem.

Problems related to perfos.dll can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing perfos.dll file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

How to fix perfos.dll errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

perfos.dll file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with perfos.dll file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Installing relevant Microsoft Windows patches and updates may solve your problems related to perfos.dll file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of perfos.dll or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to perfos.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the perfos.dll file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the perfos.dll file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the perfos.dll file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace perfos.dll file

The last solution is to manually download and replace perfos.dll file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded perfos.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of perfos.dll file example directory paths.

Windows 10: C:\Windows\System32\
Windows 8.1: C:\Windows\System32\
Windows 8: 1: C:\Windows\System32\
Windows 7: C:\Windows\SysWOW64\
Windows 7: C:\Windows\SysWOW64\
Windows Vista: ---
Windows Vista: ---
Windows XP: ---

If the steps did not solve your perfos.dll file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename perfos.dll

System Windows 10

File size 35840 bytes

Date 2017-03-18

Download

File details
	MD5	484d54e9f422eb97b1520560eb3cc604
	SHA1	373e0ee92b6edc8b07559cab73e2ede50ddd4012
	SHA256	c219dfbd6901cf7d8d1e2b00c6471cb87ce59e047e2db7386eeebdf1bec99965
	CRC32	4815dfbd
	Example file location	C:\Windows\System32\

Filename perfos.dll

System Windows 8.1

File size 36352 bytes

Date 2014-11-21

Download

File details
	MD5	1bf83d4a846ffe733708dac2abf8e2dc
	SHA1	1178b4b7ec50cd348472fc168ac640582176a856
	SHA256	83523da5c69a7828c28a004781dad77778cf23e97fdb4838c3026eddf398f724
	CRC32	a22c4ae5
	Example file location	C:\Windows\System32\

Filename perfos.dll

System Windows 8

File size 33792 bytes

Date 2012-07-26

Download

File details
	MD5	2291a8c9f2ed69db8547f48a96392685
	SHA1	1c21d6448c4453e423e5568fa98c2e6d72ba2595
	SHA256	9be97fa483b9e9a676feec3286d2b60a345ae4fb14a6f62c253cf31a14219f6b
	CRC32	16815683
	Example file location	1: C:\Windows\System32\

Filename perfos.dll

System Windows 7

File size 28672 bytes

Date -0001-11-30

Download

File details
	MD5	6fa41e0c86ef049a12c05ca4bba8f9af
	SHA1	4ff7c15c0f30347f52f534a028ff7bbc1e752f66
	SHA256	d18758c5a33b4c596ea6e87a16b53d7cf68ea9586c7f11c9518577bc8d7cbc9b
	CRC32	1e86056e
	Example file location	C:\Windows\SysWOW64\

Filename perfos.dll

System Windows 7

File size 29696 bytes

Date -0001-11-30

Download

File details
	MD5	e601860aa04ce2198dbc6ac2af80aff7
	SHA1	94f5a067008d4046a41a2e0d9f430e606f678d01
	SHA256	b9d2baef2f6f8ea687414e73dfc5207f11a406d53c3444fcdafd9ce1b4940053
	CRC32	daec6026
	Example file location	C:\Windows\SysWOW64\

Filename perfos.dll

System Windows Vista

File size 29184 bytes

Date 2006-11-02

Download

File details
	MD5	0d2352c1b6b90abd83b568be977b1463
	SHA1	c4a6fa8177d81c32af2e730e146cf84f74655adb
	SHA256	6a95789b488285654826b29bbde42a1f7ccc49f4f8cef2219c061b73105eb04a
	CRC32	f22a9dc6
	Example file location	---

Filename perfos.dll

System Windows Vista

File size 28672 bytes

Date -0001-11-30

Download

File details
	MD5	7d1a10a1f3562cca1fd38e9bada8fec0
	SHA1	c5e5a75c706a188ffc58f3d44d7b8ac18ddcaa49
	SHA256	c87cb020308bf94a4e3a34cad01e0d69766a4c6901ed144be9897787fdbca414
	CRC32	e3f777fd
	Example file location	---

Filename perfos.dll

System Windows XP

File size 25088 bytes

Date 2008-04-14

Download

File details
	MD5	acdafcd14ec0ece89198503746a5c147
	SHA1	2a81b74e85e47b0a7550b770691ce1e0545c2a37
	SHA256	f90876961b6966915c4a1847f91f45282ffa48140d01503ef9013e774661c4e8
	CRC32	3fda412a
	Example file location	---