Avast is a cybersecurity software used to protect your gear from various viruses or malware attacks.
To resolve that, you might read this article onMiniTool Website.
RPC server unavailable error is a common issue that can appear on many applications.
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Common trouble facing Avast is the Avast RPC server is unavailable issue we will discuss in this article.
It is important to learn the reasons for this RPC server unavailable error and troubleshoot them one by one.
What Causes the Avast RPC Server Unavailable Error?
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Why does Avast RPC server unavailable error happen?
It is hard to specify one culprit but there are some possibilities you may consider.
Outdated Windows Version
An outdated Windows version can trigger some issues when you run Avast.

It is important to ensure your Windows is up to date.
Remote Service Blocked from Firewall tweaks
Thefirewallmay mistake Avast as a threat to block its service.
In this way, you should probably configure some tweaks to exclude Avast from the firewall blocking list.

Corrupted Files in a System
Corrupted or missing critical system files can be the underlying cause of the problem.
you could venture to repair Windows registry files with some simple steps.
What to do if your files suddenly disappeared?

This post will show you solutions and explain reasons for you.
Does Avast detect malware?
Does Avast get rid of viruses?

Does Avast free remove spyware, rootkits, keyloggers, adware, trojans, ransomware, and infected files?
Some system errors can be fixed.
Step 1: poke the Windows icon on the menu bar and chooseSettings.

Step 2: Scroll down to chooseUpdate & Securityand in theTroubleshoottab, click onAdditional troubleshooters.
Then it will start detecting issues.
Wait for a while and you’ve got the option to follow the prompts to finish the troubleshooting.

Then reboot your rig to see if the issue can be fixed.
To scrub the temporary files, you’re free to do as follows.
Step 1: Open theRundialog box by pressingWindowsandRkeys and inputTempto enter.
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Step 2: Choose all of these temporary folders and files and delete them.
Then you’ve got the option to try your Avast again.
If this method cant help, yo try others.

Step 1: Press theWindowskey and inputcontrol panelto open it.
Step 2: Switch theView by:option toSmall iconsand then chooseWindows Defender Firewall.
Is Windows Defender enough?

If you have doubts about this question, yo read this post carefully.
Through the text, you may find the answer.
If the service has stopped working, the Avast RPC server is unavailable issue can happen.

Step 2: Then in yourServiceswindow, kindly locateRemote Procedure Call (RPC)and right-select it to chooseProperties.
Step 4: After setting the startup value to automatic, clickApplyand thenOK.
Then you could go to Avast to look to see if the RPC server unavailable error has been fixed.

Therefore, Avast RPC server unavailable error occurs.
Step 1: Launch theRunbox and typencpa.cpland then press theEnterkey.
Step 2: In theNetwork Connectionswindow, right-choose the Internet you are using and choosePropertiesfrom the drop-down list.

Then clickOKto save the changes.
Step 1: TypeRegeditin yourRundialog box and press theEnterkey.
Step 4: Input2into the box underValue dataand clickOKto save it.

After that, like kickstart your gear and see if your issue has been resolved.
this method can fix some issues risen from the package installation process.
Step 1: Press theWindowsandIkey together to openSettingsand then click onApps.

ChooseUninstalland thenUninstallagain to delete the program.
Then you’re able to go tothe official Avast download websiteto download and plant the program.
Step 1: ClickStart(the Windows icon) and chooseSettings.

Step 2: Scroll down to chooseUpdate & Securityand thenWindows Update.
Step 3: Then selectCheck for updates.
If updates are available, download and install them.

Step 1: PressWindows+Rto open aRundialog box and typerstruito launch the System Restore wizard.
Step 2: ClickNexton the pop-up window and snag the restore point you have created before.
Step 3: To initiate the restoring process, clickFinish.

Then your rig will reboot and back to the previous state.
you’re able to check to see if the error is still occurring.
Any folders or files can be camouflage of viruses and malware so that you cant identify the potential danger.

Is it dangerous or not?
How to remove it from your PC?
All answers will be disclosed in this post.
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If you are interested, yo read it.
Sometimes, Avast stops working for some sudden interruptions and the defender will lose effect.
At that moment, your PC will be at risk of being attacked.

Thats why we recommend to back up your important data regularly.
A backup tool MiniTool ShadowMaker has been developed for a better backup experience for many years.
Download and install this program and start your journey with MiniTool ShadowMaker.
In yourBackuptab, choose your backup source and destination.
When you finish, you’re free to chooseBack Up NoworBack Up Later.
The backup task will be in theManagetab.
Tip: it’s advisable to back up your data to an external hard drive.
If you need any help when using MiniTool software, you may contact us via[email protected].
Avast RPC Server Is Unavailable FAQ
What is RPC?
RPC supports process and thread-oriented models.
RPC makes the internal message-passing mechanism hidden from the user.
The effort needs to re-write and re-develop the code is minimum.
Remote procedure calls can be used for the purpose of distribution and the local environment.