Error wifi - 0x8007045A

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Some apps will load better using the wifi, if you are using wifi try resetting your phone.

This Wiki page will help

How to fix 0x8007045A Error

You need to run the "System file checker". Below is instructions on how to do that. You MIGHT need your dell OS disk, should have shipped with your Dell. If you can't find it, any Windows OS disk that matches your existing OS will work.

http://support.microsoft.com/kb/929833

First check with another device that your wifi is working if it is try resetting up wifi on your printer.

If someone changed your wifi password you will need to enter the new password.

How To Repair Error 0X8007045a Instantly Problem: Error 0X8007045a is caused by damaged windows files or broken system structures. This is a critical problem that can cause an unstable operating system, which is typically caused by improper management of the computer.
Solution: Repairing Error 0X8007045a is quick and easy. Please download the Windows repair tool below to diagnose and fix the cause of your problem.

http://simple-pc-help.com/How-To-Repair-Error-0x8007045a-Instantly/

or manually repair :

To resolve this problem, use one of the following methods.

Method 1: Upgrade or reinstall the Microsoft XML parser

To download the latest XML parser, visit the following Microsoft Web site: http://msdn2.microsoft.com/en-us/xml/bb190622.aspx

Method 2: Replace the corrupted files

To resolve this problem, follow these steps:

1. Copy the following DLL files from the C:\WINDOWS\SYSTEM folder on a computer that is working to the computer that is experiencing the problem:
   • Msxml3.dll
   • Msxml3a.dll
   • Msxml3r.dll
2. After you replace the files, you must register the files. To register the files, follow these steps:
   1. Click Start, and then clickRun
   2. In the Open box, type REGSVR32 C:\WINDOWS\SYSTEM\MSXML.DLL, and then click OK. You receive a message when the registration succeeds.
   3. Repeat steps a and b with the following files:
      • C:\WINDOWS\SYSTEM\MSXML2.DLL
      • C:\WINDOWS\SYSTEM\MSXML3.DLL
   4. Restart your computer.

do you get an error message? Do you still see wifi networks being detected? more information please.

If you need further help, reach me via phone at https://www.6ya.com/expert/joel_63c670a84e9f6a97

Hello,
I believe you just need to reinstall the driver for your Wifi adapter.
Here's the link where you can download the driver for your wifi adapter Click Here. Just click the Download Drivers and Software on the left side and then you will have options if you want to have the website to auto detect your system or just browse for a specific product.
Hope this helps

what is the error when you try to connect on the wifi?

And when you did that, did the system then work? If it did you may have a faulty WiFi card or an incompatible driver.