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Fix VBA ‘Cannot access file’ errors during SaveAs operations. Path validation, lock detection, and the safe-save procedure preserving original files.

Fix VBA ‘Invalid use of Null’ errors with database-linked sheets. NULL detection, type-safe coercion, and the IsNull guard pattern.

Fix Excel add-in ribbon buttons that vanish. Re-installation procedure, ribbon XML errors, and the COM add-in vs Excel add-in distinction.

Bypass Excel’s 2026 internet macro block. Unblock procedure, trusted location strategies, and digital signing for enterprise distribution.

Fix VBA ‘Missing Reference’ errors in shared workbooks. Cross-machine reference matching, late binding distribution, and the GUID-based diagnostic.

Fix Google Sheets QUERY execution limit errors. Result size constraints, the IMPORTRANGE wrapper limitation, and aggregation strategies.

Master Excel SEARCH vs FIND case-sensitivity. The unique behaviors, when to use which, and the EXACT alternative for case-strict matching.

Fix VBA project password issues. Lockout recovery, file structure modification, and the difference between VBA and workbook protection.

Resolve VBA broken-path errors when macros call external files. Path validation, network share testing, and the relative-path pattern that survives moves.

Fix VBA ‘Ambiguous Name Detected’ compile errors. Duplicate procedure names, module scoping, and the renaming strategy for project organization.