Try restarting your system and running the update again.
This error will prevent you from updating or installing BIOS, so you had better fix it in time.
This guide provides you with a detailed tutorial on how to get around this issue step by step.
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How to Fix Dell Security tweaks Not Detected?
To do so:
Step 1.
Typemsinfo32and hitEnterto launchSystem Information.

Scroll down to find your BIOS version inBIOS Version/Date.
Move 2: Suspend BitLocker
Before performing the BIOS update, you need tosuspend BitLocker.
Whats worse, not having a recovery key will cause data loss or unnecessary OS reinstallation.

Therefore, it is necessary to suspend BitLocker.
Typecontrol panelin the search bar and hitEnter.
Go toSystem and Security>BitLocker Drive Encryption>Suspend protection.
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Move 3: Update BIOS
Now, its time to plant the BIOS update.
Insert a USB flash drive to your gear.
Download the appropriate BIOS version from the motherboard manufacturers website to your USB drive.
Step start your setup andenter the BOIS menu.
After that, power cycle your system and enable BitLocker again.