Unfortunately, the service is sometimes affected byvarious issues, and users cannot connect to Slacks servers.

More specifically, connection and login issues are some of the most common glitches affecting Slack.

The same is valid for your proxy parameters and VPN.

fix Can’t Connect or Log in to Slack

Disable your antivirus, firewall, and VPN (if youre using one).

If youre using any of these programs, whitelist Slack or temporarily disable them.

slack app check for updates

proxy settings windows 10

reset internet options windows 10

slack troubleshooting options