Colif :
Are you getting BSOD? If so, can you run who crashed:
http://www.resplendence.com/whocrashed
it will create a summary of the errors and may show us enough to fix problem
Copy/paste summary in here
If it isn't giving BSOD, does it freeze or just restart?
What are the parts in the PC? Is it custom or a brand name - if this, what make/model?
38 crash dumps have been found and analyzed. Only 5 are included in this report. A third party driver has been identified to be causing system crashes on your computer. It is strongly suggested that you check for updates for these drivers on their company websites. Click on the links below to search with Google for updates for these drivers:
nvlddmkm.sys (NVIDIA Windows Kernel Mode Driver, Version 376.33 , NVIDIA Corporation)
Conclusion:
If no updates for these drivers are available, try searching with Google on the names of these drivers in combination with the errors that have been reported for these drivers. Include the brand and model name of your computer as well in the query. This often yields interesting results from discussions on the web by users who have been experiencing similar problems.
Read the topic general suggestions for troubleshooting system crashes for more information.
Note that it's not always possible to state with certainty whether a reported driver is responsible for crashing your system or that the root cause is in another module. Nonetheless it's suggested you look for updates for the products that these drivers belong to and regularly visit Windows update or enable automatic updates for Windows. In case a piece of malfunctioning hardware is causing trouble, a search with Google on the bug check errors together with the model name and brand of your computer may help you investigate this further.
It most of the time gives a BSOD but it well on occasion just freeze, I think the freezing was a thermal problem and I resolved that.
It is a custom PC
Geforce GTX 108
AMD FX(tm)-8350 Eight-Core
16.0 Gb of Ram
Thank you!