When my computer opens all files, I am asked to look for open 5

It may be that the registration association of the file has been modified.

Change these three values back to default in the registry.

0：hkey_classes_root\.exe

exefile

1：hkey_classes_root\exefile\shell\open\command

2：hkey_classes_root\exefile\shellunas\command

To open the registry, click Start Run

Then find it. exe Right-click on the right side to right-click to modify the data to exefile

Then scroll down to find exefile shell-open-command, and modify its value in the right table box"%1" %*

Then there is the exefile shell-runas-command modified as above.

Tips"C: Windows not found"

Proof that your machine is infected with a virus and that the virus has infected yours""Procedure.

You can redo the system!

Maybe it's a virus.

You can go to another machine and copy the file and copy it back.

There is no need to redo the system.

If the association is changed.

In the start of the run, enter regedit and open it by the following path.

hkey_classes_root\exefile\shell\open\command

In the right window, double-click Default to change the value to"%1" %*

To find the normal way to open the file, make sure that the computer has a program installed that can open the file normally. If you are unsure, you can find the right program by searching for the file format. Here's how to find the normal way to open it properly.

2. Find the file you want to open. Right-click on the file.

3. After clicking, the menu will pop up, and select "Open With" in the pop-up menu.

4. The first item of the opening method is recognized by the system, and the normal opening method of the file can be opened Sakura. At this point, click the first item in the opening method. If there is no shroud, the spine can be corrected by the method described at the beginning.

5. After clicking, the file will open normally.

The key is to see which type of file, or which program the user wants to use to open that type of file, and here's how to set it up

1. Click Start, click Default Program;

2. Click to set the default program;

3. Find the default program you want and click to select;

4. Click on the right to set this program as the default.

The key is to see which type of file, or which program the user wants to use to open that type of file, and the setup is as follows:

1. Click Start, click the default program group;

2. Click to set the default program;

3. Find the default program you want and click to select;

4. Click on the side of the right tank return to set this program as the default value.