You know what

Delete the whole Steam folder or rather uninstall it.
Download a clean Steam client from it's site and install

Then just redownload your TF2.
You've been wasting more than a day to solve this thing, might as well do a clean install.

I don't know.
It's more like connection issue than Steam.

I can connect anyway, as long as there's no one sucking up all the bandwidth while I'm logging into Steam. TBh, if that happens, even your MSN will disconnect and reconnect thousands of time.

2nd thing, I still can start a game even after I idle for a day long. Usually, my PC is on like 24/7, I'll be idling like since 6am - 6pm and I still can start my game after that, without a need of restarting anyway.

The only bug with Steam is the voicechat.
If you can't hear people when you on your voicechat, you had to restart your whole Steam anyway. :S

Welcome to Minggu Pocket Berlubang....

There's few way to "invest" in Steam, if you are business minded, you should have captured what I'm about to tell anyway, and yeah, no doubt it will either benefits you or you make losses (the basic rules of investment anyway)

So for those who doesn't have Paypal, Credit Card or Debit card, you could always purchase Steam Wallet currency, which I assume it will be in USD when the conversion is low, last I check is RM3.18 = 1 USD

So let's say if you buy 100 USD when it's weak, lets say RM3.10, you already earned RM0.08 per USD by now. Those who are offering services will earn even more.

Well, it's still a risk thou, since it's a form of "investment"

Yea, it was something like that lor.
Provided it was available to purchase using Credit Cards or Paypal anyway.
Since it's really IMPOSSIBLE for Steam to sell their prepaid cards in Malaysia or Singapore. LOL. Even so, the price would be "goreng-ed" by local retailer. The conversion will be like RM3.70 per USD than RM3.18 we enjoy using Paypal & CC.

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Keyword : Hotspot

Not really thou, I still manage to purchase few region-locked games from Steam.

nope, doesn't need a VPN to do so.

75% discount, not 50%

Please, RM90++ isn't that expensive