Hi for resetting Kaspy Ver: 21.3.10.391 , just try this...
Step 1. Disable Self Defense
Step 2. Pause Protection
Step 3. Exit from tray
Step 4. Run the batch (.bat) file as an administrator
step 5. reboot the pc. after rebooting the pc ,then exit Kaspersky again .
step 6. open KTL and reset it...