Windows 7 Pro: crashes with white screen after login

Dear community,

I have an annoying bug with Windows 7 Professional (64-bit version) and could not find any problem even until that or other forums.

After logging in (choose user and entering the password), the "Welcome" screen appears for a few seconds. Then there is a blank wallpaper (i.e. According to the user settings) and the system is blocked. Everything you see is a mouse cursor (a regular), who move, but not possible interaction.

It does not work to get the Task Manager with CTRL-ALT-DEL in that State, and at least until 30 minutes just don't get past/changes. However, there is ongoing activity of hard disk, according to the LED. Only way out is to cut using the power switch.

The accident happened exactly regularly, but about every start of the second. Sometimes more often (i.e. it takes 3 or 4 attempts to open a session) or sometimes less often (i.e. up to 3 or 4 boots without problem).

Other than that, it is once you have successfully connected, the system works very well.

I tried to remove the user and re-create it, but the bug reappears immediately after.

Any ideas? Or advice where I could find what program/process is actually blocked?

Hi Ruth & all,

Thanks for your suggestions.

Troubleshooting took a long time, because I do not use this PC every day and sometimes you can't tell if the problem is really gone or the boot just happened to work several times in a row...

After all, using the clean boot and the reactivation of services/startup items one by one, it seems that I could single out the Internet of G-Data as a cause security suite. I'm trying to do, with their support, if this is a known bug.

Best,

Colin

Tags: Windows

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