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What is prio.dll?

The genuine prio.dll file is a software component of Prio - Process Priority Saver by O&K Software.
Prio.dll is a DLL (dynamic link library) file that is part of the Prio - Process Priority Saver, an extension for the Windows Task Manager. DLL files store data, code and resources needed by one or more programs in order to function correctly. This is not a critical Windows file and can be removed if known to create problems. Since Windows is a multitasking operating system, many processes can run simultaneously. 'Process priority' defines what processes get more processor time. A process that is set to run at high priority will take up all processing time and a process at low priority will only receive idle processor time. Prio assigns and remembers priority settings for running tasks. It extends on the core functionality of the Windows Task Manager. O&K Software was founded in 1999 and focuses on the development, distribution and support of utility software designed for the Windows platform.

Prio stands for Prio Process Control

Prio.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if prio.dll is a Windows system file or if it belongs to an application that you can trust.

Click to Run a Free Scan for prio.dll related errors

Prio.dll file information

The process known as Prio Process Control belongs to software Prio - Process Priority Control or eBoostr (version 3) by O&K Software (www.prnwatch.com) or Xeno.

Description: Prio.dll is not essential for the Windows OS and causes relatively few problems. The prio.dll file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 10,000 bytes (64% of all occurrences), 10,512 bytes and 5 more variants. http://www.file.net/process/prio.dll.html 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. There is no file information. The program is not visible. The file has a digital signature. There is no detailed description of this service. It can change the behavior of other programs or manipulate other programs. It is not a Windows system file. The application starts upon Windows startup (see Registry key: AppInit_DLLs). Therefore the technical security rating is 77% dangerous; however you should also read the user reviews.

Uninstalling this variant: It is possible to do the following:
  1) remove the entire program Prio or eBoostr 3 using Windows Control Panel
  2) search for help on the company's website.

Recommended: Identify prio.dll related errors

If prio.dll is located in the C:\Windows\System32 folder, the security rating is 78% dangerous. The file size is 10,264 bytes (90% of all occurrences), 5,120 bytes, 10,512 bytes, 3,584 bytes or 7,168 bytes. The application has no file description. The program is not visible. There is no detailed description of this service. It can change the behavior of other programs or manipulate other programs. It is not a Windows core file. The file is digitally signed. The process is loaded during the Windows boot process (see Registry key: AppInit_DLLs). prio.dll appears to be a compressed file.

Uninstalling this variant: It is possible to do the following:
  1) remove the entire program Prio - Process Priority Control using Windows Control Panel
  2) search for help on the company's website.

Important: Some malware camouflages itself as prio.dll. Therefore, you should check the prio.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.

Score

User Comments

Not to much yet but I am going to need to
   
An addition to regular Windows Task Manager. Allows you to permanently change the priority for applications that are running. Also lets you rate what is running as approved or not. Pretty basic, seems quite useful, but keeping my eye on it ;)
  Daz  
task manager with extra options
  Aleksandar  
Saves changes to for priority for applications. My brother has been using this little program for about a year. I am use it now for about a month. No issues. Nice program though.
  Nicholas  
A dll from Prio Priority Saver. I've used it for ages. A very useful task manager extension.
  Spike  
steve gibson security now
  roy jones  
An addition to regular Windows Task Manager. Allows you to permanently change the priority for applications that are running.
  PG  
It's a proccess for Prio, which is an application that adds functions to Task Manager. Perfectly safe. It's a good program to have!
  Deji  
Part of Prio Priority Saver. Other users may not have Webroot Spysweeper though. After download and install, Spysweeper's Internet Communication Shield went non-stop with attempts to communicate with all types of .bz and .com sites. Textbook trojan, a perfectly useful program as a cover for a malicious package buried deep inside. Forewarned is forearmed
  Joe  
I gave my experience a week ago; right after installing it, it began attempting to communicate with .bz and .com sites. I'm sorry if it sounded like an ad for Webroot Spysweeper but that happened to be the ONLY program among Norton Internet Security and the 5 anti-spyware programs running on my computer to pick up the attempted communications. I'm not promoting Webroot, I was simply reporting my experience. So, despite my experience being directly in line with your assessment of 80% dangerous, let readers think it's either good or harmless. Smart.
  Joe  

  tomash74   (further information)
I uninstalled a browser extension for IE 11 called prio. Up to that point IE 11 on a win 7 laptop would not run properly. It now does and so therefore does Skype.
  Patrick Keating  

Rating chart

Summary: Average user rating of prio.dll: based on 14 votes with 12 user comments. 8 users think prio.dll is essential for Windows or an installed application. 3 users think it's neither essential nor dangerous. One user suspects danger. 2 users think prio.dll is dangerous and recommend removing it. 2 users don't grade prio.dll ("not sure about it").


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Best practices for resolving prio issues

A clean and tidy computer is the key requirement for avoiding problems with prio. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the prio.dll process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.



Other processes

prio.dll [all]