How To Fix HTTP Error 400 (Bad Request)


ExError Number:HTTP Error 400
Error Name:Bad Request
Error Description:There is a syntax error in the request and is denied by the web server.
Developer:Microsoft Corporation
Software:Windows Operating System
Applies to:Windows XP, Vista, 7, 8, 10, 11

Commonly, corrupt or missing Bad Request files cause these Windows 10 errors, and are sometimes attributed to a current or past malware infection affecting Edge. Replacing your Windows 10 file is generally a solution to fixing these issues. In some cases, the Windows registry is attempting to load a Bad Request file that no longer exists, therefore we recommend running a registry scan to repair any invalid file path references.

Classic Bad Request Problems

Common Edge-related problems encountered with Bad Request are:

  • "Error: Bad Request."
  • "Bad Request deleted, missing, or moved."
  • "Not found: Bad Request."
  • "Load failure: Bad Request."
  • "Registration failure: Bad Request."
  • "Runtime Error: Bad Request."
  • "Bad Request file can't be loaded."

Bad Request errors happen during program installation, when Bad Request-related software program (eg. Edge) is running, during Windows startup or shutdown, or rarely during Windows install process. RecordingBad Request errors associated with Edge is crucial to locating problems and forwarding to Microsoft Corporation for repair options.


Causes of Bad Request Errors

These Bad Request troubles are created by missing or corrupt Bad Request files, invalid Edge registry entries, or malicious software.

More precisely, Bad Request error caused by:

  • Corrupt Windows registry keys associated with Bad Request / Edge.
  • Bad Request file corrupted from malware infection.
  • Bad Request mistakenly deleted or maliciously by software unrelated to the Edge application.
  • Another program conflicting with Bad Request or another Edge shared reference.
  • Bad Request corrupted during download or install of software.

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