You do not need Telegram. Here are real sources:
But does this "fix" actually work? And more importantly, should you use it? kaspersky internet security key telegram fix
Does it work? If yes – you are done. If no, proceed to Part 3. You do not need Telegram
To resolve the Kaspersky Internet Security key Telegram fix issue, try the following solutions: unable to connect
If Telegram is crashing, unable to connect, or if KIS has blocked its files (often due to false positives regarding web connections or traffic), use these steps to resolve the issue: Open the main Kaspersky window.