Failed with error code 5: Access is denied.
The error appears only when Synapse is already open in the system tray.
AsIO3.sys is a driver file belonging to ASUS.
Usually, it is preinstalled on your ASUS computer and installed with the ASUS motherboard.
And this error always triggers when the computer is turned on.
Then, how to solve this error in your PC?
c’mon read the following content.
Try These Top 4 Ways
How to Fix AsIO3.sys Error on Your PC?
The following methods are applicable for.
The following steps show you the details.
Step 1: Press theWin + Ikey to open theSettingspanel.
Step 2: Navigate to theUpdate & Security > Recoveryoption.
Step 3: Under Recovery, select theRestart nowbutton on theAdvanced startupsection.
Step 4: Wait a moment and then you will see several options in a blue window.
And you should hit theTroubleshootoption.
Step 5: choose theAdvanced options > Automatic Repair/ Startup Repairoption.
In this way, damaged registry keys can be repaired.
So, it’s crucial that you update them in equipment Manager.
Steps are as below:
Step 1: Press theWin + Rkey to open theRundialog.
Then typedevmgmt.mscin the search box and then pressEnter.
Step 2: In theDevice Managerwindow, check on drivers with a yellow exclamation mark.
Step 3: Right choose the driver with a yellow exclamation mark and select theUpdate Driveroption.
Step 4: In the pop-up window, selectSearch automatically for updated driver software.
So, you might check for malware by scanning the entire system.
Step 2: In theWindows Defender Security Center, press theScan nowbutton.
The Windows Defender Security Center will now start to detect if there are any threats on the system.
After the scan is over, you will notice the results.
If the scan finds any threats, press theClean threatsbutton to remove them from the system.
Therefore, uninstalling your recently installed software may be one of the important fixes.
Here is the guide:
Step 1: PressWindows + Rkey to openRunand typeappwiz.cpl.
Step 2: When Program and Features window shows up, find out the program that causes this error.
Step 3: Right hit the entry that is causing the cant open AsIO3.sys error and selectUninstall.
So, you’re able to take some measures to find the issues with your hard drive.
ItsSurface Testfeature can help you check for bad sectors.
However, if MiniTool Partition Wizard finds some hard disk errors, the blocks will be marked as red.
Step 1: PressWindows + Skey and typecmd.exein the search of the box.
Then right press it and selectRun as administrator.
Step 2: Typechkdsk c: /f /r /xcommand and pressEnterkey to execute.
Step 3: After execution, restart the computer and verify if the error is solved.
To fix this problem, Windows provides two utilities.
The first tool is SFC (System File Checker), which detects and restores missing components.
It uses different algorithms to find problems and fix corrupt data that SFC might miss.
Heres how to perform these scans:
Step 1:kick off the Command Prompts as administrator.
Step 2: In the Command Prompt window, key in the following command:sfc /scannowand pressEnter.
If the SFC tool fails to repair corrupted files, you’re able to use the DISM tool.
Step 1: pop kick open the Command Prompt as administrator.
Then typeDISM.exe /Online /Cleanup-image /Restorehealth.
Method 8: Check RAM for Corruption Issues
Memory corruption can cause the cant open AsIO3.sys error.
To solve this issue, you should identify and fixRAM problemson your PC through Memory Diagnostic.
hey follow the steps below to check RAM:
Step 1: Typememory diagnosticin theWindows search box.
Then, double grab the best matched option forWindows Memory Diagnostic.
Step 2: SelectRestart now and check for problems.
Step 3: your rig will restart and diagnose memory.
After the diagnostic process is complete, the computer will start automatically.
This post provides you with 9 methods to solve it.
you’re able to try these methods and hope they can help you.Click to tweet
