0x80070005: Access Denied During Install When Endpoint Protection Blocks It
0x80070005 and 0x800704EC mean policy or agent self-protection denies the installer. Verify rights and exclusions, or replace the expired agent.
Office Error Code 0x426-0x0: Apps Will Not Start After a Click-to-Run Fault
Error 0x426-0x0 stops Office apps launching when the Click-to-Run service is broken. Restart the service, fix permissions and run an online repair.
0x80070005 access denied on a network share you are sure you can open
Error 0x80070005 means share or NTFS permissions reject the account. Compare both permission sets, check network logon rights and re-map the share.
Setup Error 0x851A0019: Could Not Find the Database Engine Startup Handle
0x851A0019 is the startup handle failure and 0x851A001A the recovery handle one. Check the volume’s sector size first, then the instance error log.
Microsoft Defender real-time protection will not turn on: what 0x800106BA really is
0x800106BA is a legacy Windows Defender code. On Windows 10 and 11 the same symptom is disabled mode or event 3002. Here is how to get protection back on.
Office 0x80070005: activation fails with an access denied error
Error 0x80070005 means Office cannot write its licensing data because of permissions. Learn which keys and folders to fix and how to do it safely.