When you access the properties of a file or folder to encrypt it using the Encrypting File System (EFS), the option “Encrypt contents to secure data” may be greyed out.
registry
Diagnostic Policy Service Error 5 – Access is denied
When you start the Diagnostic Policy Service in your Windows 10 or 11 system, the following error may occur:
Windows could not start the Diagnostic Policy Service service on Local Computer: Error 5: Access is denied.
How to Block the Windows 11 25H2 Feature Update
Some users have asked how to block the 25H2 update on a Windows 11 23H2 or 24H2 system. Windows 11 24H2 and 25H2 share the same codebase, and their features are the same. So, if you’re already using 24H2, deferring the 25H2 update makes little sense. To defer the 25H2 update anyway, you can use … Read more
How to Enable Preview of .LOG Files in File Explorer
By default, the preview capability exists for most text-based files in File Explorer. However, for some file types, such as .log or .py, a preview may not be generated by default and you see the message “No preview available” in the preview pane in File Explorer.
You can enable preview of such files (.log and .py) in the preview pane using a registry edit.Read more
[Fix] SystemSettingsAdminFlows.exe – Application Error 0xc0000017
You may encounter the error 0xc0000017 when you access the Recovery options page in the Settings app. Here’s the full error message:
SystemSettingsAdminFlows.exe - Application Error The application was unable to start correctly (0xc0000017). Click OK to close the application.
“Your device is missing important security and quality fixes” Error in Windows 10
On a Windows 10 device that has already been enrolled in the Windows 10 Consumer ESU program and fully updated, the error message “Your device is missing important security and quality fixes” may still appear in the Windows Update settings page.Read more
Drive Properties Error “The Properties for This Item Are Not Available”
When you right-click on a drive letter in This PC and click Properties, the properties dialog may not open, and the following error may appear:
The Properties for This Item Are Not Available.
File Explorer: The file you are attempting to preview could harm your computer
After installing the October 15 (2025), cumulative update for Windows 11, File Explorer turns off the preview feature for files downloaded from the internet. After the October 2025 or a later Windows security update is installed, the File Explorer preview pane will display the following message:
The file you are attempting to preview could harm your computer. If you trust the file and the source you received it from, open it to view its contents.
DISM Error 1009 – The configuration registry database is corrupt
When you run the DISM ScanHealth or RestoreHealth command, the following error may occur:
Error: 1009 The configuration registry database is corrupt. The DISM log file can be found at C:\Windows\Logs\DISM\dism.log
What is PxHlpa64.sys and How to Uninstall it
PxHlpa64.sys is a module supplied with DVD-burning programs, such as Roxio/Sonic, which Corel Corporation now owns. The PxEngine is also licensed by various 3rd-party software developers specializing in disc burning software. Other programs, such as Adobe Premiere Elements, appear to utilize this module for DVD-burning capabilities.
This driver is flagged as incompatible when you try to enable Memory Integrity. This driver is also known to cause the 0xC1900101 errors during the Windows 11 setup.Read more