After restarting my iMac, I see the error "Internal Error" (see attachment)
The console log shows:
Feb 27 06:11:41 AB-iMac com.avast.fileshield[820]: fs: SCAN '/private/var/folders/0r/kk5bg0ds34l7wbbj1vqj2c1r0000gp/0/com.apple.nsurlsessiond/E8C9768780A371F36651AB699D884E881706B377/B6A92BBF6ACD63D179B053AE967A964B46A0E144/.dat.nosync0189.PymNN4' failed: 451 SCAN Engine error 1 Operation not permitted
Feb 27 06:11:46 AB-iMac com.avast.fileshield[820]: fs: SCAN '/private/var/folders/0r/kk5bg0ds34l7wbbj1vqj2c1r0000gp/0/com.apple.nsurlsessiond/E8C9768780A371F36651AB699D884E881706B377/AB5ED7143C1763A83C1747BB308D5BE5FA102F31/.dat.nosync0189.mduAVN' failed: 451 SCAN Engine error 1 Operation not permitted
Feb 27 06:11:46 AB-iMac com.avast.fileshield[820]: fs: SCAN '/private/var/folders/0r/kk5bg0ds34l7wbbj1vqj2c1r0000gp/0/com.apple.nsurlsessiond/E8C9768780A371F36651AB699D884E881706B377/72886DE83B6C2F81468F5C4F68B174D91FE7371F/.dat.nosync0189.ZL3a88' failed: 451 SCAN Engine error 1 Operation not permitted
Feb 27 06:13:48 AB-iMac com.avast.fileshield[820]: fs: SCAN '/private/var/folders/0r/kk5bg0ds34l7wbbj1vqj2c1r0000gp/0/com.apple.nsurlsessiond/5C191B41B85964975463638FAD57F73CB1F3418D/6EB8557D128019BE18C5E033539027206163D3DC/.dat.nosync0189.pyrs0Y' failed: 451 SCAN Engine error 1 Operation not permitted
Feb 27 10:02:05 AB-iMac com.apple.xpc.launchd[1] (com.avast.daemon): This service is defined to be constantly running and is inherently inefficient.
Feb 27 10:02:06 AB-iMac com.avast.daemon[239]: Starting daemon.
Feb 27 10:02:09 AB-iMac com.apple.xpc.launchd[1] (com.avast.update-agent): This service is defined to be constantly running and is inherently inefficient.
Feb 27 10:02:39 AB-iMac com.apple.xpc.launchd[1] (com.avast.service): This service is defined to be constantly running and is inherently inefficient.
Feb 27 10:02:44 AB-iMac com.apple.xpc.launchd[1] (com.avast.proxy): This service is defined to be constantly running and is inherently inefficient.
Feb 27 10:02:44 AB-iMac com.avast.service[694]: sock_connect_unix_socket: connect(/Library/Application Support/Avast/run/scan.sock) failed: No such file or directory
Feb 27 10:02:44 AB-iMac com.avast.service[694]: vps_detect_current_version: sock_connect_unix_socket() failed.
Feb 27 10:02:44 AB-iMac com.avast.service[694]: sock_connect_unix_socket: connect(/Library/Application Support/Avast/run/wifiguard.sock) failed: No such file or directory
Feb 27 10:02:44 AB-iMac com.avast.service[694]: WifiGuardNotifier: failed to connect
Feb 27 10:02:44 AB-iMac com.avast.proxy[739]: Starting daemon.
Feb 27 10:02:47 AB-iMac com.avast.proxy[739]: Error connecting to service socket: connect(): /Library/Application Support/Avast/run/service.sock: No such file or directory
Feb 27 10:02:47 AB-iMac com.avast.proxy[739]: swquery.apple.com:https: nodename nor servname provided, or not known
Feb 27 10:02:49 AB-iMac com.avast.service[694]: Failed to check FileShield driver
Feb 27 10:02:51 AB-iMac com.apple.xpc.launchd[1] (com.avast.fileshield): This service is defined to be constantly running and is inherently inefficient.
Feb 27 10:02:51 AB-iMac com.apple.xpc.launchd[1] (com.avast.account[818]): Could not find and/or execute program specified by service: 2: No such file or directory: /Library/Application Support/components/account/com.avast.account-sync
Feb 27 10:02:51 AB-iMac com.apple.xpc.launchd[1] (com.avast.account[818]): Service setup event to handle failure and will not launch until it fires.
Feb 27 10:02:51 AB-iMac com.avast.fileshield[813]: fs: Starting daemon
Feb 27 10:02:51 AB-iMac com.apple.xpc.launchd[1] (com.avast.wifiguard): This service is defined to be constantly running and is inherently inefficient.
Feb 27 10:02:53 AB-iMac com.avast.fileshield[813]: fs: avsvc_open: connect() failed. No such file or directory [2]
Feb 27 10:02:54 AB-iMac com.apple.xpc.launchd[1] (com.avast.helper): This service is defined to be constantly running and is inherently inefficient.
Feb 27 10:02:54 AB-iMac com.avast.service[694]: Failed to check Ransomware driver
Feb 27 10:02:54 AB-iMac com.avast.service[694]: sock_connect_unix_socket: connect(/Library/Application Support/Avast/run/scan.sock) failed: No such file or directory
Feb 27 10:02:54 AB-iMac com.avast.service[694]: DaemonConn::open: sock_connect_unix_socket() failed.
Feb 27 10:02:58 AB-iMac com.avast.service[694]: sock_connect_unix_socket: connect(/Library/Application Support/Avast/run/scan.sock) failed: No such file or directory
Feb 27 10:02:58 AB-iMac com.avast.service[694]: DaemonConn::open: sock_connect_unix_socket() failed.
Feb 27 10:03:04 AB-iMac com.avast.service[694]: sock_connect_unix_socket: connect(/Library/Application Support/Avast/run/scan.sock) failed: No such file or directory
Feb 27 10:03:04 AB-iMac com.avast.service[694]: vps_detect_current_version: sock_connect_unix_socket() failed.
Feb 27 10:03:04 AB-iMac com.avast.service[694]: sock_connect_unix_socket: connect(/Library/Application Support/Avast/run/scan.sock) failed: No such file or directory
Feb 27 10:03:04 AB-iMac com.avast.service[694]: DaemonConn::open: sock_connect_unix_socket() failed.
Feb 27 10:03:05 AB-iMac com.avast.daemon[239]: Loaded VPS #18022500
Feb 27 10:03:05 AB-iMac com.avast.daemon[239]: Error opening whitelist file: /Library/Application Support/Avast/config/com.avast.daemon.whls: No such file or directory
Feb 27 10:03:05 AB-iMac com.avast.proxy[739]: Error connecting to scan socket: /Library/Application Support/Avast/run/scan.sock: Connection refused
