While installing some programs on my new Windows laptop, I have started receiving dll file missing errors. I know that in order to remove these, I need to download dll files. How to go about this? Can you help?

I found a rather odd-looking file on my computer. It is named amtlib dll. It is linked to any program I might have downloaded and used. Is it a safe file? What is it used for, and is it safe to remove it from my computer?

I was trying to install some games from steam when the installation stopped and an error message with d3dx9_43 dll file missing error. I am not a power user and do not know how to deal with this error. Can you help?  

I was trying to install GTA 5 on my computer. The installation was almost complete when I got the message d3dcompiler_43 dll file missing from your system and the installation stopped. How do I get past this error?

I have come across dll files on more than a few occasions. What I fail to understand is why are there so many of them and what are they used for? What is so special about these files and why do so many programs need so many of them?

I tried to download OBS on my computer after a Windows update. OBS completed installation but then gave me msvcr120 dll missing error. It said reinstalling the program might solve the problem but it did not work. What should I do?

I have purchased a new Dell Inspiron laptop, and it was working till yesterday, but today when I started the laptop, it reached till the desktop and then the bluescreen appeared with message pool_corruption_in_file_area. What to do now?

What is error code 0xc0000be? What does it indicate? What can we do to solve this?

What does this Error code 0x00000e mean and what does it convey?

What is 3dmgame INI? How can I fix 3dmgame.INI? I am trying to find the solution, but the error is reoccurring again. Please help me.