How to Fix Common Errors in AVG Antivirus

Edited 3 weeks ago by ExtremeHow Editorial Team

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AVG Antivirus is a popular security software used by millions of people around the world to protect computers from viruses, malware, and other security threats. While AVG Antivirus is a powerful tool, users sometimes encounter common errors that can hamper its performance. Here, we will discuss various common errors associated with AVG Antivirus and elaborate on the step-by-step solutions you can follow to resolve them.

1. AVG antivirus installation problems

Installation problems can prevent AVG Antivirus from setting up correctly. Here are some common installation errors and their solutions:

1.1. Incomplete installation

This error may be caused by corrupted downloaded files or lack of disk space. To fix the problem:

• Make sure you download the latest version of AVG antivirus from the official website.
• Check your disk space and make sure there is enough room for the installation files.
• Disable any running antivirus programs before starting the installation.
• Try using AVG's official removal tool to remove any leftover files from a previous installation attempt before reinstalling.

1.2. Error 0xC0070643

This error code usually appears during installation. It may be caused by outdated Windows drivers or permissions issues. Follow these steps to resolve:

1. Update your Windows operating system to make sure all drivers are up to date.
2. To run the installer as administrator, right-click and select 'Run as administrator'.
3. If the error persists then follow option 1, use AVG Remover tool to clean residual files from previous installation.

2. AVG Antivirus won't open or load

Another common problem is when AVG Antivirus refuses to open. Here's how to troubleshoot this problem:

2.1. Restart the computer

The simplest solution can often be the most effective. Restarting your computer can solve many software-related problems.

2.2. Use the Task Manager

If restarting doesn't work:

1. Open Task Manager by pressing Ctrl + Shift + Esc and end the AVG process if it is running.
2. After stopping the process, try restarting AVG Antivirus normally.

2.3. Repair the AVG installation

You can repair the AVG installation using the built-in repair tool:

1. Go to Control Panel > Programs > Programs and Features.
2. Find AVG Antivirus in the list, then right-click and select 'Change'.
3. Follow the on-screen instructions to repair the AVG installation.

3. Unable to update AVG antivirus

It's important to keep AVG antivirus updated for security reasons. Here's how to troubleshoot update errors:

3.1. Check Internet connection

Make sure your Internet connection is stable, as AVG requires an Internet connection to download updates.

3.2. Firewall configuration

Your firewall might be preventing AVG from accessing the update servers. To fix this:

1. Check your firewall settings and make sure AVG is allowed through the firewall.
2. Add AVG Antivirus as an allowed program if necessary.

3.3. Error code: 0xE0018D96 and 0xC007064C

Sometimes, update-related problems are associated with these specific error codes. Solutions include:

• Restart your computer, which may clear up temporary glitches.
• Make sure your system date and time are accurate, as discrepancies can cause updates to fail.
• Attempting a manual update through the AVG interface by selecting the 'Menu' > 'Settings' > 'Update' option.

4. AVG Antivirus slows down PC

Sometimes, AVG antivirus can slow down the computer. Here are some ways to increase PC performance:

4.1. Schedule a scan during idle time

Set AVG Antivirus to scan when the computer is not in use:

1. Open AVG Antivirus, then go to 'Menu' > 'Scan Schedule'.
2. To minimize disruption, choose idle times for scanning, such as at night or during breaks.

4.2. Adjust scan sensitivity

Changing the scan sensitivity can reduce system resource usage:

1. Open AVG Antivirus, then go to 'Menu' > 'Settings'.
2. Find 'Scanning' under the 'Components' section.
3. Reduce scan sensitivity to balance performance.

5. Conflict with other security software

Running multiple antivirus programs can cause conflicts that lead to errors. Here's how to manage these:

5.1. Uninstall conflicting software

Make sure AVG Antivirus is working optimally by removing other security software:

1. Access 'Control Panel' > 'Programs' > 'Programs and Features'.
2. Find any other antivirus software in the list, right-click and select 'Uninstall'.

5.2. Whitelist AVG among other security programs

If you want to keep other programs, integrate them to work harmoniously:

• Explore the settings of other antivirus software and add AVG antivirus processes to the exclusion list.

6. AVG Antivirus real-time protection is not working

Real-time protection is necessary for immediate threat detection. If it is disabled, follow these steps:

6.1. Enable protection manually

Try enabling real-time protection manually:

1. Open AVG Antivirus, go to the main dashboard, and look for any switches or settings that say 'Real-time Protection.'
2. Make sure this option is turned on.

6.2. Update virus definitions

Out-of-date virus definitions can hinder security services:

• Manually update virus definitions via 'Menu' > 'Settings' > 'Update'. This ensures that your database has the latest threat information.

7. AVG Antivirus system error

System errors can be caused by software conflicts or system file corruption. Here's how to address them:

7.1. Reinstall AVG Antivirus

A fresh installation can fix many persistent system errors:

1. Uninstall AVG Antivirus using 'Control Panel' under 'Programs' > 'Uninstall a program'.
2. After removal, restart your computer.
3. Re-download and install the latest version of AVG antivirus from the official site.

7.2. Run System File Checker

Use the Windows System File Checker tool to repair corrupted files:

1. Open Command Prompt as administrator by searching for 'cmd', right-clicking, and selecting 'Run as administrator'.
2. Type sfc /scannow and press Enter.
3. Wait for the process to complete and restart the computer if prompted.

8. Troubleshoot other common errors

Some less common errors and tips for resolving them:

8.1. User interface failed to load

This could be due to incomplete updates or driver issues:

• Reinstall AVG Antivirus as described above.
• Make sure your operating system and drivers are up to date.

8.2. AVG Watchdog service

The watchdog service may stop or not start due to a conflict:

• Restart the service from the Run dialog by typing services.msc.
• Locate and restart the AVG Watchdog service.

Conclusion

AVG Antivirus is a strong security solution for your computer, and like most software, it can sometimes experience technical problems. However, by following the practical solutions outlined in this guide, you will be able to effectively troubleshoot most of the common AVG Antivirus errors. Regular updates, monitoring for conflicting software, and periodic checks of your system health will ensure that AVG Antivirus works smoothly, giving you the protection and peace of mind you need.

Being proactive and attentive to these error signals can save time and frustration in the long run, and ensure that your devices remain protected from a variety of cyber threats.

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