Windows 8.1 apps error and many other problems

hi,
i have a laptop (hp pavilion dv6).i have a problem.recently i installed windows 8.1 and when i open any of my apps it opens for 1 second and then goes to to the start screen.even i try installing apps it is showing some error 0x80070426 something and
also 0x8007000 something.even when i try to update my drivers it shows errors in installing the driver.and when you move your cursor to the start screen it gets highkighted but mine isnt highlighted.you can lock your mouse by double clicking theleft top corner
but doesnt get locked.

MA
Have you tried doing a repair install from the win 8.1 dvd?
Have you tried doing a restore from a restore point?
What have you tried?
Wanikiya and Dyami--Team Zigzag

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More Guru Winners for February 2015 in the Store App category and many others!

It's been a busy week that also saw the
TECHNET WIKI SUMMIT 2015
Then we had the results for
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http://blogs.technet.com/b/wikininjas/archive/2015/03/19/technet-guru-february-2015.aspx
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As mentioned above, runners up and comments were removed from this post, to fit into the forum's 60,000 character limit.
You will find the complete post, comments and feedback on the
main announcement post.
Please join the discussion, add a comment, or suggest future categories.
If you have not yet contributed an article for this month, and you think you can write a more useful, clever, or better produced wiki article than the winners above,
THERE'S STILL TIME! :D
Best regards,
Pete Laker
More about the TechNet Guru Awards:
TechNet Guru Competitions
#PEJL
Got any nice code? If you invest time in coding an elegant, novel or impressive answer on MSDN forums, why not copy it over to
TechNet Wiki, for future generations to benefit from! You'll never get archived again, and
you could win weekly awards!
Have you got what it takes o become this month's
TechNet Technical Guru? Join a long list of well known community big hitters, show your knowledge and prowess in your favoured technologies!

Congrats to Carmelo!
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Ed Price: "A great topic, a fantastic breakdown of sections with clear descriptions, and a nice mix of code formatting and helpful images! Another stellar article from Carmelo! Great job including the link back at the end to the portal
article!"
Ed Price, Azure & Power BI Customer Program Manager (Blog,
Small Basic,
Wiki Ninjas,
Wiki)
Answer an interesting question?
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Hi, and sorry for my bad english...
I have imac 27" refurbished bought on september 2010. When startup process proceed correctly and i can use the computer, there are many many many "blocks" of normal operating: it appears the colored circle and the system is always "busy", although there are no application open!!! When skype is open, it always lost the already saved password. Safari lost all the login saved password. I can't drag files into the basket or create a folder! (message error).
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thank you den.thed!
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