The provided PowerShell script performs the following tasks: 1. Initialization: ...

August 28, 2025 at 10:28 PM

: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
Command line parameters: "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Restricted -Command 
                    $isBroken = 0

                    # Define the root registry path
                    $ShellRegRoot = 'HKCU:\Software\Classes\Local Settings\Software\Microsoft\Windows\Shell'
                    $bagMRURoot =  $ShellRegRoot + '\BagMRU'
                    $bagRoot = $ShellRegRoot + '\Bags'

                    # Define the target GUID tail for MSGraphHome
                    $HomeFolderGuid = '14001F400E3174F8B7B6DC47BC84B9E6B38F59030000'

                    $properties = Get-ItemProperty -Path $bagMRURoot

                    foreach ($property in $properties.PSObject.Properties) {
                        if ($property.TypeNameOfValue -eq 'System.Byte[]') {
                            $hexString = ($property.Value | ForEach-Object { $_.ToString('X2') }) -join ''
                            if ($hexString -eq $HomeFolderGuid) {
                                $subkey = $property.Name
                                $nodeSlot = Get-ItemPropertyValue -Path ($bagMRURoot + '\' + $subkey) -Name 'NodeSlot'
                                $isBroken = if ((Get-ItemPropertyValue -Path ($bagRoot + '\' + $nodeSlot + '\Shell\*') -Name 'GroupView') -eq 0) { 1 } else { 0 }
                                break
                            }
                        }
                    }

                    Write-Host 'Final result:',$isBroken

The provided PowerShell script performs the following tasks:

Initialization:
- It initializes a variable $isBroken to 0. This variable is used later to indicate whether a particular condition is "broken" or not.
- A set of registry keys under HKCU:\Software\Classes\Local Settings\Software\Microsoft\Windows\Shell are defined:
- $ShellRegRoot: It defines the root key path.
- $bagMRURoot: Path for the BagMRU subkey.
- $bagRoot: Path for the Bags subkey.
- It also defines a "target" GUID, $HomeFolderGuid, corresponding to MSGraphHome. This is represented as a hexadecimal string.
Registry Query and Analysis:
- It retrieves all properties (registry values) from the $bagMRURoot registry location using the Get-ItemProperty cmdlet and assigns them to $properties.
- A foreach loop iterates through all properties in $properties.PSObject.Properties.
Check Conditions:
- For each property, the code checks whether the registry value is of type System.Byte[] (likely a binary value).
- If the value is of type System.Byte[], the code converts it to a hexadecimal string ($hexString).
- The code compares this hexadecimal string ($hexString) with the predefined GUID ($HomeFolderGuid).
Determine "NodeSlot":
- If a match is found, it retrieves the corresponding "NodeSlot" by querying a subkey value (NodeSlot) under $bagMRURoot.
Check for Broken State:
- Using the retrieved "NodeSlot", the script constructs a path under $bagRoot and checks the value of a GroupView registry entry.
- If the value of GroupView is 0, $isBroken is set to 1. Otherwise, $isBroken remains at 0.
Output:
- Finally, the script outputs the value of $isBroken to the console using Write-Host, indicating whether the condition is "broken" (1) or not (0).

Overall Purpose:

This script scans specific Windows registry paths, analyzes binary data to match a predefined GUID (MSGraphHome), and determines whether a registry configuration related to "GroupView" for a folder is improperly set ("broken").

This could be used for troubleshooting or diagnostics of GUI folder configurations in Windows Explorer or related functionality.

Generate your own explanations

Download our vscode extension

Read other generated explanations

Built by @thebuilderjr

The provided PowerShell script performs the following tasks: 1. **Initialization**: ...

Overall Purpose:

The provided PowerShell script performs the following tasks: 1. Initialization: ...