I searched over the forums and finally I found how can I find why my computer goes crazy, unfortunately the options below may be used only for Windows 7.
Perhaps some of you will say that when an error occurs I will search on Google and find out how to fix this. It is better so, but what happens if the error can have many causes? This is where these methods of finding the cause of errors, methods that are easy to apply but we will tell you exactly what we want to know, and some cases of error.
A good method of finding errors caused by drivers is found in Event Viewer. To open Event Viewer, follow the steps to come:

Step 1: Go to Start -> type in the search box ev and then press Enter;
Step 2: Look under Custom at the Administrative logs;
Here you can find the problem with drivers which can occurs when you start your computer.
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While you play a game, or install a new software, or upgrade a driver, or restart your computer, or…..in Windows 7, appear a BSOD(Black Screen of Death) or a BSOD(Blue Screen of Death). In this article you can find the solution to solve these screens of death for Windows 7.
Among the many errors that occur in Windows and which can be solved here, at least a part of them, this error occurred which cannot be neglected.
Most times the BSOD(Black Screen of Death) in Windows 7 appear when you logging on, and it seems that this error occurs after the latest Microsoft security updates released on November 25th, have caused problems for some Windows 7 users creating a BSOD(Black Screen of Death).
To solve the Black Screen Of Death(BSOD) in Windows 7 you can follow the next steps to fix the BSOD screen, but these are available in case that the BSOD not appear everytime.

If appear the BSOD(Black Screen of Death) screen in Windows 7, follow these steps to fix this error:
Step 1: Restart your computer;
Step 2: Logon into your account, or into account that appear this BSOD;
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Many error appears in Windows 7, and some of these are very bad for your computers. And for this reason before to install a new software, or install a new component on your computer, or upgrade a new driver you should create a restore point for your system.
In this article you can find the steps to create a restores point to an earlier date, and this can help you when you have problem with your computer, because you can restore your computer to an earlier date when your computer has worked well.

Steps to create a restored point for Windows 7
Step 1: Go to Start Menu and right-click on Computer and then click on Properties;
Step 2: On Control Panel click on System Protection;
Step 3: On System Properties windows go to System Protection tab;
Step 4: Click on Create button;
Step 5: Type a description that can be easily identify later;
Step 6: Click the Create button, and then the system will create the restore point;
Step 7: When the process is finished, you’ll get a message saying it’s completed successfully;
If you try to open a file and you receive an access denied messages, you should verify two option: first you should see if you have permissions to access the file, or you should check if the file is encrypted or not.

How to check the permissions of the file or of the folder
Step 1: Right click on the file or folder, and then click Properties;
Step 2: Click the Security tab;
Step 3: Under Group or user names, click your name to see the permissions you have;
How to check if the file is encrypted
Step 1: Right click the file, and then click Properties;
Step 2: Click the General tab, and then click Advanced;
If the Encrypt contents to secure data check box is selected, you need the certificate that was used to encrypt the file to open it.
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If you need space, if you do not have a hard disk with a capacity of 1 terabyte hard drives, is much cheaper than the following steps to adjust your memory, this just in case you need more space, and this you can do through disable hibernation.
Hibernation basically writes your current system state to a non-volatile memory source, such as your primary HDD or SSD, allowing you to turn off your system and restore your progress at a later date.
This feature of the calculator is beneficial in the sense that when you start the computer in a state of hibernation, the latter starts faster than normal when you start.

How to Disable Hibernation in Windows 7 and Windows Vista
Step 1: Go to Start, then type cmd in the Start menu;
Step 2: Type powercfg.exe -h off and the press Enter key;
How to Disable Hibernation in Windows XP
In Windows XP you cannot disable the hibernation from cmd, and to disable the hibernation you should follow the next steps:
Step 1: Go to Control Panel -> Performance and Maintenance -> Power Options -> Hibernate;
Step 2: Uncheck ‘Enable hibernation‘;