Ok if you faced this problem in any heavy application.then your pc must effected with virus. so install any trusted anti virus and scan your pc. then try to do your work I hope your pc work fine.
The midnight sun, the snowbound winters, meatballs, herring, Vikings and Volvos, ABBA and the Hives - whatever your pre-existing notions about Sweden may be, a visit to this multifaceted country is bound to both confirm and confound them.