[TIP] Invalid SSL Certificate FIX?

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I could not access the steam market and also not my inventory.
1. I change the time from windows to 2015, then back to now.
2. then i activated the "automatic root certificates update":
Simple Way(i used): open xp antispy and choose at "Tweaks" disable "turn off automatic root certificates update"

"hard" way(not tested):
Open up gpedit.msc > Computer Configuration > Administrative Templates > System > Internet Communication Management > Internet Communication Settings > Open "Turn off Automatic Root Certificates Update" click Disable, and then click OK.
Close the Local Group Policy Editor.

Maybe it was just random, but now it works fine!
I hope this helps other people.

[DerParagorn]

Big big Thanks! You are the Best =D

[Nastyushka♥]

авы