Probably because the Firewall, or Router or something else is preventing direct communications with MetaQuotes servers.
Is this perhaps a VPS?
There could be IP filtering being implemented by your VPS provider.
Or it may be that case that MetaQuotes blocked them due to "bad behaviour".
Forum on trading, automated trading systems and testing trading strategies
Installation fails Can't install free indicators on MT4 client on VPS
Sergey Golubev, 2022.02.14 14:26
About 403 error:
For example - VPS provider Zomro with subnets was blocked from the Market (read post #19):
For example, by creating mirrored virtual spaces, shared amongst multiple users to help them bypass Market product activations.
It seems you are saying that your VPS provider is Zomro. Is that the case?
For example, by creating mirrored virtual spaces, shared amongst multiple users to help them bypass Market product activations.
It seems you are saying that your VPS provider is Zomro. Is that the case?

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