It has seen that the AVG occurs problem while uninstalling it after expired the trial version lately. We don’t know the cause of it, but we have its solution. You’ll have to use its AVG uninstaller tool to delete it from your computer. We have made a dedicated page for this particular issue. Please follow its step by step guide how to uninstall AVG. Try its both tools, AVG clear and AVG uninstaller.
Please let us know again if it doesn’t work.