You may receive a message that the Windows Installer service is not available. This usually happens when the Windows Installer core is corrupted, installed incorrectly, or disabled. You must either fix the corruption, restore or activate the configuration.

Reset the Windows Installer service registry.
Manually start the Windows Installer service.
Re-register the Microsoft Installer service.
Use the regsvr32 command.
Use the SFC and dism commands.
Remove the old version of the program you want to install.

In the Start Search section, enter services. msc and press Enter.
Locate the Windows Installer service.
Right-click it and select Properties.
Make sure the Startup Type is Automatic and the Service Status is Started. If it is stopped, click the “Start” button.
Click OK or Apply. read more

The Ctrl+Alt+Del keyboard shortcut not working problem can occur if your system files are corrupted. If you are not sure if your system files are corrupted or not, you can run the System File Checker to check Windows system files for corruption and repair corrupted files.

Use the registry editor. Launch the Run window on your Windows 8 device by simultaneously pressing and holding the Windows + R keys.
Install the latest updates.
Scan your computer for malware.
Check your keyboard.
Uninstall the Microsoft HPC package.
Perform a clean boot.

Press the Windows key R + to open the Run window. Type netplwiz Control or Userpasswords2 and press Enter.
When the User Accounts applet opens, click the Advanced tab.
Clear the Ask users to press Ctrl+Alt+Delete check box. click OK. read more

Then, from the options you get in the right pane, click on Sync Your Settings under Related Settings. This will open a new section in the Settings app. Turn there and turn off the switch that says Sync Settings. Restart your computer for the changes to take effect.

Use the keyboard shortcut Windows + R to open the run command.
Enter gpedit. That
follow the following path:
Double-click Prevent desktop background policy changes.
Select the Enabled option.
Click Apply.
click OK.

If you sign in with the same Microsoft account, the theme will probably be in sync, which you need to turn off. https://www.tenforums.com/tutorials/4077-turn-o To change the desktop wallpaper, refer to the following settings: https://www.tenforums.com/tutorials/4966-change

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LockApp.exe is an important Windows file responsible for overlaying a graphical interface on the lock screen when your computer is not being used for a long time. You will see this screen overlay just before logging in.

Is lockapp.exe a virus? is not. The actual LockApp.exe file is a protected Microsoft Windows system process named Windows “Microsoft”. However, authors of malware such as viruses, worms, and trojans intentionally give their processes the same filename to avoid detection.

Although lockapp.exe is a system process, it is not as important as dwm.exe and other important processes. Disabling will take you straight to the login prompt. In order to disable the lockapp.exe you are dealing with, you need to create a new entry in the Windows registry. To do this, right-click Start and select Run from the menu. read more

A component of your operating system has expired. File:\windows\system32\winload. efi error code: 0xc0000605 You need to use recovery tools. If you do not have installation media (such as a disc or USB device), contact your PC administrator or PC/device manufacturer.

One permanent solution to fix a component showing operating system timeout error is to download and install the missing updates. In most cases, Windows automatically downloads the necessary updates. Updates may be missing for some reason. In this case, you need to check for updates manually.

Select “Troubleshooting” and then “Repair your computer”. Then, as an administrator, click “Command Prompt” and type /bootrec restartbcd. Press Enter and wait for the command to complete. Then start as usual; it should work. read more

Open “Network Settings” by simply clicking the “Start” button, then simply clicking “Control Panel”. In the search box, type network, click Network and Sharing Center Only, click Set Up New Connection or Network Only, and then click Set Up New Network Only. Turn on sharing on your network.

The main equipment you need is a modem. The type of Internet access you choose will determine the type of modem you need. Dial-up access uses a dial-up modem, DSL service uses a cable modem, DSL access uses a cable modem, and satellite service uses a satellite adapter.

A common error reported on Windows is when the Internet connection disrupts users with an error message – Unable to connect to this network and they cannot connect their Windows 10/8/7 computers to the Internet. Here’s how to solve the problem. read more

Download files. After downloading the file and verifying its completeness and compatibility, delete it and try downloading again. Install the program from a CD or other media. BUT program that runs on a computer. Problem with long filenames. Bad file.

The message “winzipxxx.Is exe is not a valid win32 application” indicates that the .exe file was not fully downloaded. When Windows then tries to run what looks like an executable file, it determines that it is an invalid 32-bit Windows application file due to an incomplete download.

This is similar to the Windows file association for . messed up xlsx files. In File Explorer or My Computer, click Tools | Folder Options | Data types. Scroll through the list of registered file types until you see “XLSX Microsoft Office Excel Worksheet”, left click it once to select it and click “Advanced”. read more

Right-click the Start button and select Apps and Features. In the list of applications, find the application or applications that can use virtualization. Examples of Bluestacks are LD Player, Android Studio, etc. Restart your computer and try again.

Press the Windows key symbol on your keyboard, type control panel and select the top search result.
Select the options provided in the Program window and click Programs and Features or click Uninstall a Program below.

Run the app in compatibility mode
To resolve this issue, you must enable compatibility mode in the application properties. Right-click the application executable and select Properties. Open the “Compatibility” tab, check “Run this program in compatibility mode for” and select a different version of Windows from the drop-down menu. read more

If you cannot activate the WiFi access point and you see a message We cannot configure the mobile access point, enable Wi-Fi on your Windows 10 PC, here are some suggestions to help you solve the problem.

Mobile access point does not work under Windows 10

We can not configure a mobile access point, enable Wi-Fi

The Internet is something we need everywhere, if not even mobile data and broadband we need someone’s access point. The mobile hotspot is a very convenient option, but sometimes it shows configuration errors. read more

Open File Explorer. Click on the “View” tab. Click the Options button. Click on the “View” tab. Click the “Reset Folder” button. Click Yes. Click OK.

Press Win + E to open File Explorer and click “File” on the top ribbon. Select Change Folder and Folder Search Options. The File Explorer Options window will open as shown below. Go to View and click Reset Folders if you want to reset all folders of that type to their default settings.

To reset Windows 10 Explorer to its default view, click Reset Folder under Folder Views on the Views tab. You will receive a confirmation popup. read more