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Error Invalid Flag Number 186 (0xBA): How to Fix it
This error can occur when upgrading Windows
2 min. read
Updated onNovember 7, 2024
updated onNovember 7, 2024
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For fixing Windows errors, we recommend Fortect:
Fortect will identify and deploy the correct fix for your Windows errors. Follow the 3 easy steps to get rid of Windows errors:
Error_Invalid_Flag_Number usually comes with the following code 186 (0xBA) andThe flag passed is not correctmessage.
This is a developer error, but sometimes regular users can encounter it when updating Windows, and if this happens, this guide will show you a couple of solutions that you can use.
How can I fix Error_Invalid_Flag_Number?
1. Reset Windows Update Components
To make this process faster, you can always use theWindows Update Components reset script.
2. Perform an in-place upgrade
3. Other tips to try
The Error_Invalid_Flag_Number is an obscure error, but if you ever encounter it, try our solutions. If you have found a different solution that worked for you, don’t hesitate to share it with us in the comments section.
Before you leave, don’t miss our guides onERROR_INVALID_SEGMENT_NUMBERandERROR_INVALID_EVENT_COUNTfor more information.
Our latest guide coversError_No_Signal_Sent, so don’t miss it for more useful tips. We also have an article dedicated to theInvalid_Slot_Allocator_Flagserror that might interest you.
More about the topics:error
Milan Stanojevic
Windows Toubleshooting Expert
Milan has been enthusiastic about technology ever since his childhood days, and this led him to take interest in all PC-related technologies. He’s a PC enthusiast and he spends most of his time learning about computers and technology.
Before joining WindowsReport, he worked as a front-end web developer. Now, he’s one of the Troubleshooting experts in our worldwide team, specializing in Windows errors & software issues.
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Milan Stanojevic
Windows Toubleshooting Expert
Before joining WindowsReport, he worked as a front-end web developer. Now, he’s specialized in Windows errors & software issues.
