Excessive CPU and memory usage

I should have added…
1) I am running Windows 7 Professional
2) I am using AVG Free

Thank you, Veeramani.
I have uninstalled and re-installed as you suggest.
Task Manager now reports CPU = 0% and Memory = 184,400 K (for AVGSvc.exe)
Everything looks good.

Hello Mike, 

Thank you for providing requested information. we'd request to uninstall AVG using clear tool and install it again.

Refer the below link to reinstall AVG Anti-virus using clear tool :

Uninstall AVG Anti-virus using AVG Clear tool (https://support.avg.com/SupportArticleView?urlname=Uninstall-AVG-software-Clear-Remover)
Installing AVG Anti-virus (https://support.avg.com/SupportArticleView?urlname=Install-AVG-Internet-Security)

Please try the above steps and let us know the status.

Windows Task Manager shows...
AVGSvc.exe
CPU = 84%
Memory (Private working set) 928,952 K

This or similar has been the situation for several days.

Hello Mike, 

We are sorry for the inconvenience caused. We will check and help you to resolve it.

Please confirm the operating system installed in your device.
Do you have any other Anti-virus installed in your device?
Please share us the screenshot (https://support.avg.com/SupportArticleView?urlname=AVG-Create-screenshot)of Task manager which shows high CPU usage.

You can post the screenshot here in your topic. Click on Answer & then click on the Image [mountain symbol] & follow the instructions. Thanks in advance.

I should have added…
1) I am running Windows 7 Professional
2) I am using AVG Free

Thank you, Veeramani.
I have uninstalled and re-installed as you suggest.
Task Manager now reports CPU = 0% and Memory = 184,400 K (for AVGSvc.exe)
Everything looks good.

Hello Mike, 

It's good to know that you have managed to resolve the issue. If you need any help with AVG, feel free to contact us at anytime.

User-added image
Operating system is Windows 7 Professional.

No other anti-virus.