If your workflow is blocked, confirm the account and app context, then follow the ordered fixes below.
Problem Description: Should Go About Resolving
Event ID - bgt2c Category - Config Cache Message - SPPersistedObjectCollectionCache.RefreshDirtyCollections(): detected intervening update to collection cache file, dirtying all in-memory collection caches. Event ID - barqy Category - Search Platform Services Message - GetValue : object not found for (valueName = ServiceUser ProductKeyName = HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office Server\16.0\Search) --- ***Moderator note: Locking thread—no recent activity from the original poster***
Quick Answer for Office Won't Complete Task
For the first error, it indicates an intervening update to the collection cache file, which has dirtied all in-memory collection caches.
Likely Causes Behind Common Windows Integration Errors Triggers
The Microsoft account or license context may not match the purchase or device.
Cached credentials, outdated builds, or damaged local components can trigger windows integration errors.
A file-specific corruption or add-in conflict can mimic a broader application failure.
Recommended Solution: Installing Office on a New PC
When to use this: Apply these steps when the symptoms match and you can access the relevant Microsoft account or administrator.
This can occur if the configuration cache is corrupted or if there is an issue with the SharePoint timer service.
Try restarting the SharePoint timer service to resolve the issue.
Alternative Solutions for Broader Windows Integration Errors Workarounds
Retry the Microsoft-side steps after restarting the app and device.
Test the same action in a private browser session or a new blank file to isolate account vs file issues.
Capture exact error text and screenshots before contacting Microsoft Support or your administrator.
Working with WPS Office: Using WPS While Office Is Unavailable

WPS Office cannot replace Microsoft account, activation, or cloud fixes for this scenario. It remains one of the best free Microsoft Office-compatible alternatives for opening and editing local files.
Download and install WPS Office from the official website.
Open local Word, Excel, PowerPoint, or PDF files in the matching WPS app.
Save a working copy locally while Microsoft-side issues are resolved.
Return to Microsoft Office after the primary fix succeeds.
If you need a practical local workspace in the meantime, try WPS Office.
Prevention Tips for Avoiding Repeat Windows Integration Errors
Keep one primary Microsoft account for subscriptions and Office sign-in.
Install updates for Office and Windows before retrying failed workflows.
Back up important files before repair, reset, or reinstall actions.
Document exact error messages before the next troubleshooting attempt.
FAQs About Should Troubleshooting FAQ
Can WPS Office fix this windows integration errors issue directly? Only when the WPS steps match the formatting or file task. Account, activation, and cloud issues stay on the Microsoft side.
Should I reinstall Office before trying these steps? Not first. Confirm account, license, and the exact error before reinstalling.
What should I send to Microsoft Support? The affected account email, device type, Office version, exact error text, and screenshots with personal data hidden.




