BSOD UNEXPECTED_KERNEL_MODE_TRAP bug check 0x0000007f

Which antiviruses are installed, or do you have any is my question.

A couple of things you need to do:

Code:

Host Name:                 VANJA
OS Name:                   Microsoft Windows 7 Professional 
OS Version:                6.1.7600 N/A Build 7600

Update Windows 7 fully, including the optional updates.

Code:

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Use !analyze -v to get detailed debugging information.

BugCheck 7F, {8, 80050033, 406f8, fffff80003052d30}

Probably caused by : ntkrnlmp.exe ( nt!KiDoubleFaultAbort+b2 )

Followup: MachineOwner
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Start by checking the storage:

1. Click Start
2. In the search box, type cmd
3. In the list that appears, right-click on cmd.exe and choose Run as administrator
4. In the command window that opens, type chkdsk /R and hit enter.

You will be prompted whether you wish to schedule a chkdsk scan at next startup, type 'Y' and hit enter. Now restart your computer and chkdsk will automatically run.

Then run the short and long generic tests here:
SeaTools for DOS and Windows - How to Use

Yes, it is...update to SP1 and any updates after that.