Sir, I am getting an error code 80070422 every time I am trying to enable firewall windows again on PC. What should I do to solve this problem?

Sir,  I am a non-computer science background student and know very little technical things. Last week,  I tried to update my windows 7 and after that each time I am opening my laptop I am getting an error code 80070103.So can you please help me to know Why is it happening and How can this problem be solved?

Sir, I am getting a problem during windows update every time I open it for updating. I am getting a message “Windows could not search for updates”. With error code 800700C1”. So what should I do to get rid of this?

Sir, I am getting an unknown error code 8007007e while working with my windows8 update. How can I get rid of this problem?

Sir, I am getting an error code 8007007b with message “DNS does not exist” while updating windows again and again. Can you please help me to know why it is happening and get rid of this problem?

Sir, I am getting an error code 80070057 generated while opening a company’s file. Is there any error in the company’s website or I have any default in my settings of system requirements? How can I get rid of this problem?

Sir, I am getting a windows update error code 8007005 while updating my Windows. What should I do to avoid getting this error every time?

Sir, I am getting a network error code 80070035 each time, I am trying to access the network shared devices. Is there any problem in my connecting network devices? Can I be able to resolve it on my own or Should I go to a software engineer to solve this?

Sir, I am getting an unknown error code 80070026 while working with my Windows update. How can I get rid of this problem?  

Sir, I am getting an error code  80070020 generated each time I am trying to get my mobile phone updated from Microsoft and similar error is also generated when I am trying to install windows vista update in my PC. So please can you help me to solve this problems?