[DrNitun]

Hello,

I am running the OS version: 10.0.10536.1004. My installation went great yesterday. I followed the step by step instructions given on this site.

Today, suddenly, nothing opens. What I mean is, my Outlook mail app will not open. My Facebook messenger app will not open. My phone app to see my miss call will not open. Each of these apps (as well as various others) act as if they are opening when I tap on them but immediately, within a second, the app shuts down and I return to the start/home screen.

Any idea what is causing this? Have any others experience the same issue here? I have a little more than 1gig of phone memory remaining in my Lumia 640XL. Helps!

Thanks,

[Teo Bartulovic]

That's really strange, not sure what went wrong but I'm afraid you'll have to reset your phone, maybe even roll back to WP8.1, it just happens sometimes, technical preview isn't fully backed product and it's kind expectable that it sometimes simply completely refuse to work properly

[DrNitun]

Teo,

Yeah I knew that going into it. I see videos online of other devices running it and running somewhat smoothly. Totally expected some bugs here and there but not like this.

[Teo Bartulovic]

Yep, this is not common issue, you're among those few unlucky insiders unfortunately, reset your phone and make a fresh start, it should work just fine :)

[Red920]

I was having similar problems, but I just did a hard-reset today and it seems to have improved things so far...

[SagarSadbhaiya]

I had the same issues with my L830 did the reset to 8.1 n then back to current build.. since then the apps are working fine & even the battery backup is much better!!