Problems since update

logged on this morning to a message saying we have updated AVG, Throughout the day i  have come accros variouse ploblems , like  keyboard typing different letyters and numbers than pressed. had to  go to keyboard  and language settings to rectify. Videos playing at excellerated speed and thumbnails in  file explorer and when adding to emails not showing. i have yet to rectify the last one.
Anybody having same of similar issues.
How do i revert avg back to uninstall the update

Hi Julian,

We are sorry to hear this.

We will help you to resolve the issue.

Could you mention the version of the AVG program?

We request you to disable the AVG and check for the issue again https://support.avg.com/SupportArticleView?urlname=Disable-AVG-Antivirus

Keep us posted.

Hi Julian,

We are sorry to hear this.

We will help you to resolve the issue.

Could you mention the version of the AVG program?

We request you to disable the AVG and check for the issue again https://support.avg.com/SupportArticleView?urlname=Disable-AVG-Antivirus

Keep us posted.