[Fixed & Solved] Windows update KB3000850 fails with error 800700a1

Windows update KB3000850 fails with error 800700a1 occurs when users wants to update the existing Windows OS with upper version. It loses contents of Windows registry files with .dlls. In this situation the program counter unable to initialize instruction execution since semantics remains in disable or 0 state. Getting impairments for prototype system crashes with request while producing Windows update KB3000850 fails with error 800700a1 having slow performance of the PC and boot problem in consequent start of the system. The error should be fixed and solved with “Advanced System Repair tool” to avoid further crashes within the system.


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

Blue screen of Death with slow performance is another symptom of the error having one of the reasons – internet disconnection, firmware failure, system time and date mismatch, user profile imapairments, proxy server time out during last update etc. User should remove Windows update KB3000850 fails with error 800700a1 either with automatic tool or manual solution.

Manual Solution:

Step1: Start >> Right Click >> Windows + R >> Run >> type “cleanmgr.exe >> Enter
Step 2: Check the services are running or not given below:

Windows 8 operating system
Start >> Right Click >>Type Control Panel >> Search >>View local services >>Windows Update

Windows 7 operating system and other earlier windows operating system
Start >> Control Panel >> Administrative Tools >> viewing options list>>Large Icons>> Services >> Windows Update


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

Conclusive Decision :

If user is unable to remove Windows update KB3000850 fails with error 800700a1, “Advanced System Repair tool” can fix and trash out the in automated by a single click. It provides smart touch to the PC with – cache pace, defragmentation, free technical support for new updates, repair of HDD bad sectors, malware and spyware spot with rub out.


Leave a Reply