26 Sep
2018
26 Sep
'18
10:51 a.m.
File extensions can be registered in the HKEY_LOCAL_MACHINE and HKEY_CURRENT_USER hive. Maybe there's something in your own settings that is causing the problem. All of the suggested fixes register extensions system wide.
What do you see if you create a new local Windows user and log on as that user?
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Christof