Knowledge base for software setup, errors, and daily tool work.

Fix Outlook Error 0x80040115: Service Unavailable

When Outlook shows error 0x80040115 and says the service is unavailable, it usually means the pro...

Task Scheduler Not Starting After Windows Update: How to Fix

After a Windows update, the Task Scheduler service may fail to start, either immediately or on su...

Fix OneDrive Sync Pending Changes Not Uploading

If your OneDrive shows "Pending changes" that never upload, you're not alone. This typically happ...

Fix Microsoft Store Token Expired Not Syncing Error

You open Microsoft Store and see a message that your token has expired, or apps won’t sync purcha...

Fix Windows Security Authentication Error 0x80070035

Clear Windows Activation Cache After Hardware Change

After swapping a motherboard, CPU, or hard drive, Windows may show an activation error or waterma...