Pwdrvio.sys file information
The process known as Partition Wizard Disk I/O Driver or pwdrvio belongs to software pwdrvio or 5Partition Wizard Disk I/O [email protected] by MiniTool Solution or MT SOLUTION LTD.
Description: Pwdrvio.sys is not essential for Windows and will often cause problems. Pwdrvio.sys is located in the C:\Windows\System32 folder.
Known file sizes on Windows 10/11/7 are 17,160 bytes (45% of all occurrences), 16,472 bytes, 15,576 bytes or 15,688 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs.
The file is not a Windows system file. The program has no visible window. The program has no file description. The file has a digital signature. The service has no detailed description.
pwdrvio.sys appears to be a compressed file.
Therefore the technical security rating is 36% dangerous, but you should also take into account the user reviews.
Recommended: Identify pwdrvio.sys related errors
Important: Some malware camouflages itself as pwdrvio.sys. Therefore, you should check the pwdrvio.sys 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.
Best practices for resolving pwdrvio issues
A clean and tidy computer is the key requirement for avoiding problems with pwdrvio. 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 executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To get your computer running as fast as it did on day one, you can 8reset your PC. Your personal files will remain intact, but any programs you installed will need to be reinstalled.
To help you analyze the pwdrvio.sys 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. A good Bantivirus software detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.
Other processes
nahimicservice.exe wsnativepushservice.exe skypebackgroundhost.exe pwdrvio.sys wuapi.dll ioloservicemanager.exe zcfgsvc.exe amoumain.exe msiservice.exe dpupdchk.exe adguardsvc.exe [all]
Score
User Comments
Al Guevara
hylozoik
TsVk!
Risko from Patagonia
Dylan
Feliks
(further information)
John
Lenni
Summary: Average user rating of pwdrvio.sys: based on 9 votes with 10 user comments. 2 users think pwdrvio.sys is essential for Windows or an installed application. 2 users think it's probably harmless. 3 users think it's neither essential nor dangerous. 2 users suspect danger. One user is not sure about it.