How to solve winXP, Win7 files can not visit

How to solve XP/Win7 files can not visit each other, not a "single certain solution". Many times, a seemingly unrelated system default setting is likely to cause normal access between systems, so no one can create a perfect solution out of thin air.
For this problem, it has always been considered that there is no unique solution, that is, a specific solution can be found when a specific situation is encountered. But in fact, we can also sum up a general solution, and then treat it according to the general ideas and specific issues.
When there are obstacles to file sharing or mutual access between Winodws XP and Windows 7, including the case of mutual access and dual-machine interconnection in the LAN, we can start from the following aspects.
1. Whether the firewall is turned off
If you can't see each other between Windows7 and Windows XP, first insist that the firewalls of both are closed.
Turn off the Win7 firewall
After turning off the Windows 7 and Windows XP system firewall, you should pay attention to whether a third-party firewall is installed. If it is already installed, please close it.
XP system computer can not access Win7 shared folder, although some can see the shared directory under Win7, but once you enter the directory, you will be prompted no access.
2. Open the Guest Account
Until now, there is no reasonable explanation to explain why not opening the Guest account will affect the mutual access between Windows systems. This situation has been confirmed more than once between the resolution of Windows 98 and Windows XP. Therefore, in the mutual visit between Windows XP and Windows 7, you also need to open the Guest account.
Open the Windows 7 guest account
Similarly, you also need to open the Guest guest account in the Windows XP system.
3. File and Printer Sharing
When the user closes the firewall and the guest account is already open, but still cannot achieve mutual access, users need to open the "File and Printer Sharing" under Windows XP and Windows7 Firewall respectively. ;
Enable File and Printer Sharing under Windows XP Firewall
Special reminder, if you are accessing via remote sharing, you should also find the remote service related items and open them separately.
4. User Permissions
In the Win7 system, for the sake of system security, Microsoft has given administrators a higher security right. However, this "high privilege" setting will cause more access barriers when the system is visited. Usually, because the Windows 7 system is more alert to system access, you need to give the visitor higher privileges if you encounter insufficient system prompts.
Including some Windows 7 users, many people think that the Administrator account is the owner of the highest authority in the system, which is not the case. Microsoft also set up a hidden account in Win7, which has higher permissions.
Return to the topic just now, because the other party is a network access, you may not be able to increase the permissions for the specific access account in the LAN, so you need to reduce the permissions of the files (folders) being accessed, that is to say Indirectly give visitors "all control permissions".
Reducing the permissions of the accessed folder Windows7
Special Tip:
If the user is set up according to the above method, the visitor still cannot access the shared file. It is recommended that you switch in the "123 Properties" folder. Go to the "Security" tab and add full control to the folder to access the user.
5. Security software or system auxiliary software
In the Windows XP era, the famous system-assisted software, the Windows optimization master, has been super rabbit magic settings. Under the Windows 7 platform, such software is still used by some users. Windows7 Optimization Master This type of software is also for system security considerations, generally shutting down system remote access, or folder sharing. If you have such software installed, you will need to check their program settings, whether sharing and remote services are turned off, and so on.
In addition, in some anti-virus software, they also limit remote services and access, you also need to remove the restrictions.

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