راه حل 6 روش خطا invalid value for registry

Manual Method 1: Open JPEG in another Photo viewer application

Restore through software

Open JPEG in another Photo viewer application

Reset Photos App

Update the latest drivers

Update Windows Photo Viewer

Manual Method 2:  Reset Photos App

This is for Windows 10 users. Resetting will delete settings and cached data from the Photos App on your system. Follow the below steps to reset Photos app:

Go to Start > Settings > System > Apps & Features

Click on Photos app

A box appears, select Advanced Options and click the Reset button

Manual Method 3: Perform Drivers update

In the Start tab type Device Manager. Select Device Manager from the list displayed

Expand Display Adapters and right click on the graphics driver listed and select Update Driver

Select Search automatically for updated driver software.

Manual Method 4: Update Windows Photo Viewer

Go to Start> Settings > Update & Security > Windows Update
Select Check for updates

Check the Photo Viewer icon and click Install Updates at the bottom

When the updates finish Restart the computer

Manual Method 5: Change the registry settings (for technically aware users)

Log on to your PC as administrator

Click Win key + R, type regedit, and hit Enter

On the left pane and go to the HKEY_CURRENT_USER\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Repository\Families\Microsoft.Windows.Photos_8wekyb3d8bbwe directory

Here you will find several entries each with a version number, like Windows.Photos_15.1201.10020.0_etc. If this folder contains 8 Microsoft Windows Photos App entries, it means half (4) are outdated. If it has 4 entries, 2 are outdated and so on. The outdated entry is the lower version number. Delete one by one all the outdated entries.

To delete outdated entries, select an outdated entry, right-click, and open Properties

Select Security and open Permissions

Click Advanced in Select User or Group window

Select Find Now, select your username and click OK

Now right-click on the outdated entry and choose Delete

Do the same for each outdated entries

Reboot your PC

Manual Method 6: Perform SFC scan

Note for Windows 10, 8.1 and Windows 8 users: Before running the SFC scan, run the inbox Deployment Image Servicing and Management (DISM) on your system while others can directly perform SFC scan.
To run DISM follow the below steps:

Press the Windows key + X to open the Power User menu and select Command Prompt (Admin)

Type the following command and press Enter: DISM /Online /Cleanup-Image /RestoreHealth. It takes about 20 minutes to complete the process

Now perform SFC scan as below:

In the Search box, type Command Prompt or cmd

Right-click Command Prompt

Click Run as administrator

In the command prompt window type sfc /scannow and press Enter

Change the registry settings