Windows 7 fix error: Windows cannot verify the digital signature for the drivers required for this device


Windows 7 fix error:

Windows cannot verify the digital signature for the drivers required for this device. A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source. (Code 52)

error-windows-cannot-verify-the-digital-signature

Step 1: Permanently disabling driver signature enforcement

1a. Press Windows + R, type “command prompt” in the dialogue box, right-click on the application and select “Run as administrator”.
1b. Once in the command prompt, execute the following command:
bcdedit.exe /set nointegritychecks on

Step 2: Modify Windows Registry

Step 2a: Press Windows + R to invoke Run window. Type regedit and click OK to open Registry Editor.

Step 2b: Navigate to the following path: Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{36fc9e60-c465-11cf-8056-444553540000}.

Step 2c: Keep the {36fc9e60-c465-11cf-8056-444553540000} key selected, and find the UpperFilters and LowerFilters entries in the right pane. Right-click them and choose Delete.

delete keys UpperFilters and LowerFilters

Step 2d: Click OK to confirm the operation. Restart your computer

Step 3: Update the Error Driver

Step 3a: Right-click the Start button and search Device Manager to open it.

Step 3b: Locate the error driver. Commonly, the device driver which runs into the error code 52 will be displayed with a yellow exclamation mark in Device Manger, and it may be named as Unknown USB Device.

Step 3c: Right-click the problematic driver and choose Update driver.

Step 3d: Choose the Search automatically for updated driver software option to proceed. If there are any updates detected, install them according to the onscreen instructions.

Done!

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