How to solve nvlddmkm blue screen problem?

Hi Experts!

Could you assist me on how to solve nvlddmkm  blue screen problem?

Thanks in advance!
Eduardo FuerteDeveloper and AnalystAsked:
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JohnBusiness Consultant (Owner)Commented:
What is this: " nvlddmkm" ?  It is not an error message, so likely you have a root kit virus.
dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.Commented:
Possibly not a root kit virus.

There are nine pages of guidance here to go through.  Plus the comments.

Problem could be BIOS, temperature, power, configuration etc etc.  Lots of possibles to work your way through.

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i would start by updating the video driver for this pc

but i must say, a bit more info could help a lot :
what PC model is this?
when does it happen?  at boot, , or when running
do you have any BSOD ?
can it be overheating?
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EFuerte --
If this is something recent, run a System Restore to a time before it started.
I agree with Nobus. Best to start with video driver update.
EFuerte - is the problem solved?
please post some info
Eduardo FuerteDeveloper and AnalystAuthor Commented:

Thank you for your concerns.

After some attempts to solve this "blue screen" Win 7 asked to do a very time consuming operation to try to fix dlls.

After that, Win 7 asked to fix memory problems, I accepted.

And then the problem was solved (until now)

In truth the PC memory cards are a little "rusty" .and had maintenance few days before.

Since the error cause is too much miscellaneous (accordingly with the researchs)
maybe the facts have connection.
>>   Win 7 asked to do a very time consuming operation to try to fix dlls.   <<  i never heard this; this sounds more like someone installing ransomware - post exact message plse

>>  Win 7 asked to fix memory problems  <<  what was the message?
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Windows 7

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