A "cracked" VPN client may be modified to log your traffic or leak your data, defeating the entire purpose of using a VPN for security.
"Cracked" versions often lead to system instability, failed connections, or "dirty upgrades" that can break your network configuration. Safe Alternatives
Downloading files from sites claiming to offer "100% working activation keys" or "cracks" for version 3.6.3 (or any version) poses several dangers:
These "crack" files are frequently used as delivery vehicles for malicious software that can steal your data or lock your files.
Instead of searching for risky cracks, you can use OpenVPN securely for free:
While the title suggests a "cracked" version of OpenVPN, it is important to clarify that and largely free to use. Searching for "cracks" or "activation keys" for this software is generally unnecessary and can be highly risky. The Reality of OpenVPN Licensing