Error Message When Starting Zotero 6.0.30

Here is the error message. Kindly PLS advise what's going on. Many thanks.
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There was an error starting Zotero.

You can report this problem in the Zotero Forums.

[Exception... "Component returned failure code: 0x80520012 (NS_ERROR_FILE_NOT_FOUND) [nsIFile.createUnique]" nsresult: "0x80520012 (NS_ERROR_FILE_NOT_FOUND)" location: "JS frame :: chrome://zotero/content/xpcom/file.js :: Zotero.File</this.moveToUnique :: line 983" data: no]
Zotero.File</this.moveToUnique@chrome://zotero/content/xpcom/file.js:983:5
Zotero.DBConnection.prototype._handleCorruptionMarker@chrome://zotero/content/xpcom/db.js:1355:23
From previous event:
ZoteroService@file:///C:/Program%20Files%20(x86)/Zotero/components/zotero-service.js:348:7
@chrome://zotero/content/include.js:4:14
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