Do you receive error code 30088-26 or 30010-45 when attempting to install or update Microsoft Office?
If yes, this post onMiniTool Websitewill show you how to get rid of them step by step.
Sorry, we ran into a problem.

Error code: 30088-26 or 30010-45.
Microsoft Office is a good helper in our daily life and work.
It is a good habit to back up your work files regularly with thefree backup tool MiniTool ShadowMaker.

MiniTool ShadowMaker TrialClick to Download100%Clean & Safe
How to Fix Microsoft Office Error Code 30088-26?
In this case, you could repair MS Office from Program and Features.
PressWin+Rto open theRundialog box.

Typeappwiz.cpland hitEnterto openPrograms and Features.
TickOnline Repairand hitRepairto start the repairing process.
In the tweaks menu, findUpdate & Securityand hit it.

Under theWindows Updatesection, hitCheck for updates.
verify to install every update including security and cumulative updates.
Fix 3: Reinstall Microsoft Office
The last resort is to reinstall Microsoft Office.
![]()
Heres how to do it:
Step 1.
Go toWindows configs>Apps>Apps & features.
In the app list, locateMicrosoft Officeand hit theUninstallbutton.
HitUninstallagain to confirm this operation.
This Microsoft Office update guide teaches you how to update Office 365/2021/2019/2016/2013, etc.
Check how to download and install Office updates in 4 ways.
Sincerely hope that they do the trick for you!