Guide to Fix Windows Update Error 0x80010100 RPC_E_SYS_CALL_FAILED

There are many error messages you may get in your computer. These errors are the result of improper activities or infections of the computer. Sometimes when you try to update the Windows or when you try to troubleshoot any update problem, you may get Windows update error 0x80010100 RPC_E_SYS_CALL_FAILED. Occurring of the update error 0x80010100 RPC_E_SYS_CALL_FAILED in Windows is a very critical issue and you should get rid of it as soon as possible. If you are technically qualified then go with the manual solutions. Otherwise, install Advanced System Repair Tool for automatic fixing of the error.


{Compatible with Windows 8, 7, XP, ME, Vista, 98, 2000 (32/64)
File Size: 4.9MB Download Time: <(dsl, 2sec, dialup 2min)>}

Symptoms of Windows update error 0x80010100 RPC_E_SYS_CALL_FAILED: Slow performance of the computer, automatic shutdown, unable to install updates, system sticking, screen freezing with blue screen of death BSOD error occurring, opening of some files without your permission, severe data loss, starting problem sometimes, repetitive restarting, etc are some of the common symptoms you may see when you get update error 0x80010100 in Windows.

Causes of Windows update error 0x80010100 RPC_E_SYS_CALL_FAILED: You will get this error issue on your computer screen due to many reasons. Some of them are virus infections, corrupt system files, incorrect registry entries, virus and malware infections, internet problem, server issue, missing DLL, incomplete installation of the Windows, miscommunication between the computer and the automatic update service, etc.

How to fix Windows error code 0x80010100 RPC_E_SYS_CALL_FAILED manually: To remove Windows update error 0x80010100 RPC_E_SYS_CALL_FAILED, you can go with the following manual steps in your computer;

  1. Click on start button and type EXE to open the registry editor.
  2. Go to the HKEY_LOCAL_MACHINE> SOFTWARE> MICROSOFT>WINDOWS NT>CURRENT VERSION>WINDOWS
  3. Now change USERPostMessageLimit to 400000.
  4. Restart the computer now.

After restarting the computer, your will be able to fix Windows update error 0x80010100 RPC_E_SYS_CALL_FAILED properly. Now the computer will be updated using the automatic update service. But if the issue is not resolved, you must download and install Advanced System Repair Tool on your computer.


{Compatible with Windows 8, 7, XP, ME, Vista, 98, 2000 (32/64)
File Size: 4.9MB Download Time: <(dsl, 2sec, dialup 2min)>}

Advanced System Repair Tool will help you to fix the entire issue of Windows automatically. After launching of the tool in computer, it starts scanning and finding out the errors to fix them. It will also remove virus, malware, Trojan, junk files, etc from the system to make it’s performance better.


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