After removing both locales and i386 packages, I still get error:

Preparing to unpack .../libc6_2.34-0ubuntu3_amd64.deb ...
Checking for services that may need to be restarted...
Checking init scripts...
Checking for services that may need to be restarted...
Checking init scripts...
Stopping some services possibly affected by the upgrade (will be restarted later):
  cron: stopping...done.

Unpacking libc6:amd64 (2.34-0ubuntu3) over (2.33-0ubuntu5) ...

Progress: [ 38%]
Setting up libc6:amd64 (2.34-0ubuntu3) ...
/usr/bin/perl: symbol lookup error: /usr/local/lib/AppProtection/libAppProtection.so: undefined symbol: _dl_sym, version GLIBC_PRIVATE
dpkg: error processing package libc6:amd64 (--configure):
 installed libc6:amd64 package post-installation script subprocess returned error exit status 127
/usr/bin/python3: symbol lookup error: /usr/local/lib/AppProtection/libAppProtection.so: undefined symbol: _dl_sym, version GLIBC_PRIVATE
                                                                                                                                         Errors were encountered while processing:
 libc6:amd64
Exception during pm.DoInstall():  E:Sub-process /usr/bin/dpkg returned an error code (1)

Could not install the upgrades 

The upgrade has aborted. Your system could be in an unusable state. A 
recovery will run now (dpkg --configure -a). 

Setting up libc6:amd64 (2.34-0ubuntu3) ...
/usr/bin/perl: symbol lookup error: /usr/local/lib/AppProtection/libAppProtection.so: undefined symbol: _dl_sym, version GLIBC_PRIVATE
dpkg: error processing package libc6:amd64 (--configure):
 installed libc6:amd64 package post-installation script subprocess returned error exit status 127
dpkg: dependency problems prevent configuration of libc6-dev:amd64:
 libc6-dev:amd64 depends on libc6 (= 2.34-0ubuntu3); however:
  Package libc6:amd64 is not configured yet.

dpkg: error processing package libc6-dev:amd64 (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of libc-dev-bin:
 libc-dev-bin depends on libc6 (>> 2.34); however:
  Package libc6:amd64 is not configured yet.
 libc-dev-bin depends on libc6 (<< 2.35); however:
  Package libc6:amd64 is not configured yet.

dpkg: error processing package libc-dev-bin (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of libc6-dbg:amd64:
 libc6-dbg:amd64 depends on libc6 (= 2.34-0ubuntu3); however:
  Package libc6:amd64 is not configured yet.

dpkg: error processing package libc6-dbg:amd64 (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent processing triggers for man-db:
 man-db depends on libc6 (>= 2.33); however:
  Package libc6:amd64 is not configured yet.

dpkg: error processing package man-db (--configure):
 dependency problems - leaving triggers unprocessed
dpkg: dependency problems prevent processing triggers for libc-bin:
 libc-bin depends on libc6 (>> 2.33); however:
  Package libc6:amd64 is not configured yet.
 libc-bin depends on libc6 (<< 2.34); however:
  Version of libc6:amd64 on system is 2.34-0ubuntu3.

dpkg: error processing package libc-bin (--configure):
 dependency problems - leaving triggers unprocessed
Errors were encountered while processing:
 libc6:amd64
 libc6-dev:amd64
 libc-dev-bin
 libc6-dbg:amd64
 man-db
 libc-bin

Upgrade incomplete 

The upgrade has partially completed but there were errors during the 
upgrade process.