Perfos.dll download

Windows System Performance Objects DLL

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Click "Download Now" to get the PC tool that comes with the perfos.dll. The utility will automatically determine missing dlls and offer to install them automatically. Being an easy-to-use utility, it is is a great alternative to manual installation, which has been recognized by many computer experts and computer magazines. Limitations: trial version offers an unlimited number of scans, backup, restore of your windows registry for FREE. Full version must be purchased. It supports such operating systems as Windows 10, Windows 8 / 8.1, Windows 7 and Windows Vista (64/32 bit).
File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

Since you decided to visit this page, chances are you’re either looking for perfos.dll file, or a way to fix the “perfos.dll is missing” error. Look through the information below, which explains how to resolve your issue. On this page, you can download the perfos.dll file as well.

What is Perfos.dll?

Perfos.dll a DLL (Dynamic Link Library) file, developed by Microsoft, which is referred to essential system files of the Windows OS. It usually contains a set of procedures and driver functions, which may be applied by Windows.

What is Perfos.dll used for?

Perfos.dll file, also known as Windows System Performance Objects DLL, is commonly associated with Microsoft® Windows® Operating System. It is an essential component, which ensures that Windows programs operate properly. Thus, if the perfos.dll file is missing, it may negatively affect the work of the associated software.

What is Perfos.dll is missing error mean?

There are multiple reasons that may cause perfos.dll errors. These include Windows registry issues, malicious software, faulty applications, etc.

Error messages related to the perfos.dll file can also indicate that the file has been incorrectly installed, corrupted or removed.

Other common perfos.dll errors include:

  • “perfos.dll is missing”
  • “perfos.dll error loading”
  • “perfos.dll crash”
  • “perfos.dll was not found”
  • “perfos.dll could not be located”
  • “perfos.dll Access Violation”
  • “The procedure entry point perfos.dll error”
  • “Cannot find perfos.dll”
  • “Cannot register perfos.dll”
perfos.dll - System Error The program can`t start because perfos.dll is missing from your computer. Try reinstalling the program to fix problem.

How to fix Perfos.dll missing error?

If the “perfos.dll is missing” error occurs, you may use one of the methods below – manual or automatic – to solve the problem. The manual method assumes that you download the perfos.dll file and put it inside the game/application installation folder, while the second method is much easier as it allows you to automatically fix the error with minimum effort.

Method 1: Download Perfos.dll

Search through available versions of perfos.dll from the list below, select the correct file and press the “Download” link. If you cannot decide which version to choose, read the article below or use the automatic method to resolve the issue

Perfos.dll, 12 available versions

Bits & Version File size Checksums
32bit 6.3.9600.16384 35.0 KB
MD5 016a7fbc1eaeec53f9c65f54626917eb
SHA1 b8cfb734a5d4a3a3b9573ff1e52f91accf05c0dd
32bit 6.2.9200.16420 33.0 KB
MD5 ae25c03500f09240372bb4dc30b680b4
SHA1 049bdb7d8b843ddc17811c0c4cfa03c1bd10016f
32bit 6.1.7600.16385 28.0 KB
MD5 6fa41e0c86ef049a12c05ca4bba8f9af
SHA1 4ff7c15c0f30347f52f534a028ff7bbc1e752f66
64bit 6.0.6000.16386 28.5 KB
MD5 0d2352c1b6b90abd83b568be977b1463
SHA1 c4a6fa8177d81c32af2e730e146cf84f74655adb
32bit 6.0.6000.16386 28.0 KB
MD5 7d1a10a1f3562cca1fd38e9bada8fec0
SHA1 c5e5a75c706a188ffc58f3d44d7b8ac18ddcaa49
32bit 5.1.2600.5512 25.5 KB
MD5 08d6e405cd069e3cbfcdd00c74313d4e
SHA1 cb812b1ffd035a4e17d481a8be9bf5055d48c1f5
32bit 5.1.2600.2180 25.5 KB
MD5 f7299adbcb88fb839255c3ae8eb24c4e
SHA1 8ea89abccf748abcc9eb6898426c270708b667e2
32bit 10.0.15063.0 35.0 KB
MD5 484d54e9f422eb97b1520560eb3cc604
SHA1 373e0ee92b6edc8b07559cab73e2ede50ddd4012
64bit 10.0.14393.0 40.0 KB
MD5 6192765af80c0519f8cd3ddd5166ad95
SHA1 cd6ee8cc9c9fa0f5a6552f4ecf45318882717308
32bit 10.0.14393.0 35.5 KB
MD5 bbbd734fad8eae71d4840f3b3bb02ed3
SHA1 77dcc958a5bba7498e47a1496e36e7b386dbac6d
32bit 10.0.10586.0 35.0 KB
MD5 77a2c78ba2175d66cce1d1525bfcbbf6
SHA1 98eb60685d4518a17725c309de86e535fa3a1bf8
64bit 10.0.10586.0 40.0 KB
MD5 e1292a0f176e7f910f08fbba7c966cf2
SHA1 e1d932b7a83444ecf024503330b2af4619129c31

How to choose the correct version of Perfos.dll?

First, look through descriptions in the table above and select the proper file for your program. Pay attention to whether it’s a 64-, or 32-bit file, as well as the language it uses. For 64-bit programs, use 64-bit files if they are listed above.

It’s best to choose those dll files which language corresponds to the language of your program, if possible. We also recommend downloading the latest versions of dll files for an up-to-date functionality.

Where to place the Perfos.dll file?

To repair the “perfos.dll is missing” error, put the file inside the application/game installation folder. Alternatively, you can place the perfos.dll file within the Windows system directory.

How to register Perfos.dll?

If putting the missing perfos.dll file into the proper directory doesn’t solve the problem, you’ll have to register it. To do so, copy your DLL file to the C:\Windows\System32 folder, and open a command prompt with admin rights. There, type “regsvr32 perfos.dll” and press Enter.

Method 2: Fix the missing Perfos.dll error automatically

With WikiDll Fixer you can automatically repair perfos.dll errors. The utility will not only download the correct version of perfos.dll for absolutely free and suggest the right directory to install it but also resolve other issues related to the perfos.dll file.
  • Step 1: Click the “Download App. ” button to get an automatic tool, provided by WikiDll.
  • Step 2: Install the utility by following simple installation instructions.
  • Step 3: Launch the program to fix your perfos.dll errors and other issues.
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See more information about Outbyte and unistall instrustions. Please review Outbyte EULA and Privacy policy

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: windows-versions

Limitations: trial version offers an unlimited number of scans, backup, restore of your windows registry for FREE. Full version must be purchased.

Method 3: Update drivers to restore missing .dll files

Driver updates for the Windows operating system, as well as for network adapters, monitors, printers, etc., can be independently downloaded and installed from the Windows Update Center or by using specialized utilities.

OPTION 1 - Automatic Device Drivers Update

Outbyte Driver Updater automatically updates drivers on Windows. Routine driver updates are now a thing of the past!
  • Step 1: Download the Outbyte Driver Updater
  • Step 2: Install the application
  • Step 3: Launch the app
  • Step 4: Driver Updater will scan your system for outdated and missing drivers
  • Step 5: Click Update to automatically update all drivers

OPTION 2 - Manually Update Device Drivers

  • Step 1: Go to Taskbar' search box - write Device Manager - choose Device Manager
  • Step 2: Select a category to look at the devices' names - make right-click the one that needs to be updated
  • Step 3: Choose Search automatically for updated driver software
  • Step 4: Look at Update Driver, and select it
  • Step 5: Windows might not be able to find the new driver. In this case, the user can see the driver on the manufacturer's website, where all the necessary instructions are available

Method 4: Scan your PC for malware to fix perfos.dll error

Sometimes perfos.dll error can happen because of malware on your computer. The malicious software can intentionally corrupt DLL files in order to substitute them with its own malicious files. Therefore, your number one priority should be to scan your computer for malware and eliminate it as soon as possible.

OPTION 1 - Windows Defender

The new version of Windows 10 has a built-in application called "Windows Defender", which allows you to check your computer for viruses and remove malware, which is difficult to remove in a running operating system. In order to use the Windows Defender Offline scan, go to the settings (Start - Gear icon or Win + I key), select "Update and Security" and go to the "Windows Defender" section.
How to use Windows Defender Offline Scan
  • Step 1: Press Win key or click on Start and click on Gear icon. Alternatively press Win + I key combination.
  • Step 2: Select Update and Security option and go to Windows Defender section.
  • Step 3: At the bottom of the defender settings there is the checkbox " Windows Defender Offline scan". To start it, click "Scan Now". Note that you have to save all unsaved data before rebooting your PC.

After clicking “Scan Now” burton, the computer will reboot and automatically start searching viruses and malware. Upon completion of the scan, the computer will restart, and in the notifications, you will see a report on the completed scan.

OPTION 2 - Outbyte Antivirus

Outbyte products are one of the most popular and effective to fight malware and unwanted programs, and they will come in handy even when you have a high-quality third-party antivirus installed. Scanning in the new version of Malwarebytes can be performed in real time and manually. To initiate manual scan please follow the steps below:
  • Step 1: Launch the Outbyte program and click Scan Now button. Also, you can select Scan option on the left side of the program’s window and click Full Scan. The system will begin scanning and you will be able to see the scan results.
  • Step 2: Select items that you want to quarantine and press “Quarantine Selected” button. When quarantined, you may be prompted to reboot the computer.
  • Step 3: After the program has been restarted, you can delete all quarantined objects by going to the appropriate section of the program or restore some of them if it turned out that after quarantining something from your software began to work incorrectly.

Method 5: Fix Perfos.dll missing error with System File Checker (SFC)

Many users are familiar with the sfc / scannow system file integrity check command, which automatically checks and fixes protected Windows system files. To execute this command, you have to run command prompt as administrator.
  • Step 1: Start the command line as an administrator in Windows by pressing Win key on your keyboard and typing "Command Prompt" in the search field, then - right-click on the result and select Run as administrator. Alternatively, you can press Win + X key combination which will open the menu where you can select Command Prompt (Admin).
  • Step 2: Type sfc / scannow while in Command Prompt and hit Enter.

After entering the command, a system check will begin. It will take a while, so please be patient. Once operation is complete you will get the message “Windows Resource Protection found corrupt files and successfully repaired them.” or “Windows Resource Protection found corrupt files but was unable to fix some of them”.

Keep in mind that System File Checker (SFC) cannot fix integrity errors for those system files that are currently being used by operating system. To fix these files you have to run SFC command through the command prompt in the Windows recovery environment. You can get into Windows Recovery Environment from the login screen, by clicking Shutdown, then holding down the Shift key while selecting Restart.

In Windows 10, you can press Win key, select Settings > Update & security > Recovery and under Advanced Startup, click Restart now. You can also boot from the installation disk or bootable USB flash drive with the Windows 10 distribution. On the installation screen select your preferred language and then select “System Restore”. After that, go to “Troubleshooting” > “Advanced Settings” > “Command Prompt”. Once in Command Prompt type the following command: sfc /scannow /offbootdir=C:\ /offwindir=C:\Windows where C is the partition with the installed operating system, and C: \ Windows is the path to the Windows 10 folder.

This operation will take a while and it is important to wait until it is complete. When finished, close the command prompt and restart the computer as usual.

Method 6: Fix corrupted Perfos.dll file by performing System Restore

System Restore is very useful when you want to fix perfos.dll error. Using the "System Restore" function, you can choose restore Windows to the date when the perfos.dll file was not damaged. Thus, restoring Windows to an earlier date cancels changes made to system files. Please follow the steps below to roll back Windows using System Restore and get rid of perfos.dll error.
  • Step 1: Press the Win + R keys combination to launch Run dialog.
  • Step 2: Type rstrui in the Run text box and click OK or hit Enter. It will open the system recovery utility.
  • Step 3: The “System Restore” window may include the “Choose a different restore point” option. If so, select this option and click Next. Check the “Show more restore points” checkbox to see a complete list of dates.
  • Step 4: Select a date to restore Windows 10. Keep in mind that you need to select a recovery point that will restore Windows to the date when the perfos.dll error message did not appear.
  • Step 5: Click the "Next" button and then click "Finish" to confirm your restore point.

At this point, your computer will reboot normally and boot up with restored version of Windows, and perfos.dll error should be resolved.

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