Update Issues checklist.
How do you connect to the internet? Is your internet connection ok? Is your internet connection metered?
Have you waited 15 minutes after system boot up to see if the update will occur?
Reboot, then check system date/time correct, then Settings > Additional > Network > Proxy server > select Do Not use proxy server.
Are you on battery or main power? Settings > Performance > uncheck Disable scheduled tasks.
Are you in Gaming Profile? Kaspersky Settings > Performance > uncheck Automatically disable some functionality when in full screen mode.
Is your Kaspersky license expiring in a few days?
If your license is a managed subscription, please click Subscription, located at lower right of the main Kaspersky window,
then click the "Update subscription status" button. Then start an Update.
If still no go, attach the Detailed update report.
Enable Log Non Critical Events: Settings > Additional > Reports and quarantine > check Log Non-critical events. Then do an update.
Main Kaspersky window, lower center, More Tools > right side, click Reports > upper right > Detailed reports, upper left > dropdown > Update,
select the current entry > right-middle > click Details > Save icon at upper right >
Save, name the file and save it somewhere and attach it to your next post.
If the file is too large to upload, then zip it (right click, send to > compressed zipped folder) and upload the zip.
If the update report appears to be blank, please post the screenshot of the update report.
Disable Log Non Critical Events when done.
Please also see: https://support.kaspersky.com/common/error/update/13285