What is oasrv.exe file ?

In some case oasrv.exe can harm your computer. Therefore, please read below to decide for yourself whether the oasrv.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

Follow steps bellow to try fix the problem with oasrv.exe

1. Use cleanmgr

To run the command cleanmgr :
Press Windows key + Q.
Enter cmd in search box , followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command cleanmgr and press Enter.

2. Use sfc /scannow

To run the command sfc /scannow :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command sfc /scannow and press Enter.

3. uninstalling programs :

To uninstall unnecessary programs :
Open the Start menu (Press Windows key + X) .
Click the first menu item Programs and Features.
Search unnecessary programs in the list of installed programs, .
Click the software you want to uninstall.

4. using msconfig

To run the command msconfig :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command msconfig and press Enter.

5. Automatic Update

To run the command wuauclt /ShowWindowsUpdate:
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command wuauclt /ShowWindowsUpdate and press Enter.

6. Use resmon command

To run the command resmon :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command resmon and press Enter.

7. use DISM.exe

To run the command DISM.exe /Online /Cleanup-image /Restorehealth :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command DISM.exe /Online /Cleanup-image /Restorehealth and press Enter.

oasrv.exe descriptions

Oasrv.exe is not essential for the Windows OS and causes relatively few problems. The oasrv.exe file is located in a subfolder of “C:Program Files (x86)” or sometimes in a subfolder of the user’s profile folder (common is C:Program Files (x86)Online Armor or C:Program Files (x86)Tall EmuOnline Armor).;Known file sizes on Windows 10/8/7/XP are 4,457,688 bytes (43% of all occurrences), 4,326,472 bytes and 9 more variants.;The process is a background process, and the service name is SvcOnlineArmor.;The program has no visible window. The oasrv.exe file is not a Windows core file. It can change the behavior of other programs or manipulate other programs. Oasrv.exe is digitally signed.;Oasrv.exe is able to connect to the Internet, record keyboard and mouse inputs, monitor applications and manipulate other programs.;Therefore the technical security rating is 53% dangerous, but you should also compare this rating with the user reviews.;Uninstalling this variant;You can uninstall the program Online Armor, update it, or ask Customer Support for help. Go to www.emsisoft.com to update it, go to support.emsisoft.com for support, or go to Online Armor in Windows Control Panel (Software or Programs section) to uninstall it.