Fix Classic Outlook MSVCP140.dll Crashes
Classic Outlook crashing with MSVCP140.dll errors? Two separate bugs cause this in 2026. Here's how to fix both.
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fix
Quick fixes for common IT problems
Fix OWA HTTP 500 Redirect Loop on Shared Mailboxes
OWA stuck in HTTP 500 redirect loop on shared mailboxes? Clear cookies, re-sync Exchange permissions, or use the direct mailbox URL.
Fix QuickBooks Error 6010 -100 Database Connection
QuickBooks 6010 -100 blocks company file access after Windows updates. Restart QBDBMgrN, add firewall ports, rename .ND and .TLG files.
Fix ERR_CACHE_MISS Chrome Form Resubmission Error
Chrome dies mid-form with ERR_CACHE_MISS. Update past 126.0.6478.61, flush sockets, kill hardware accel. Back in business.
Fix KB5037771 Error 0x800f0982 on Windows 11
KB5037771 fails with 0x800f0982 on Windows 11 22H2/23H2. The culprit is a language pack mismatch in WinSxS. Five steps that actually work.
Fix Windows Update Error 0x80070643
Fix error 0x80070643 in Windows 10 / 11 (KB5044273 / KB5044284) with clear, tested steps.
Fix 0xc0000005: Outlook Crashes with Teams Add-in
Fix the 0xc0000005 crash in Classic Outlook caused by the Teams Meeting Add-in version conflict (Microsoft incident EX1254044).
Fix Error 0x800705b4: Windows Sandbox Timeout
Windows Sandbox hangs then fails with 0x800705b4? Four tested fixes for Windows 11 25H2 and 26H1.
Fix Microsoft 365 Registration Error - Sign-In Failures
Fix Office 365 registration error in Microsoft 365 with clear, tested steps to resolve sign-in failures.
Fix Windows Update Errors 0x80070002 and More
Fix Windows Update errors 0x80070002, 0x800f081f, and 0x80240034 with cache resets, DISM repairs, and a PowerShell script.
Fix Outlook Error 1001 WAM Broker Auth
Office apps show error 1001 with authentication failures. Repair the WAM broker plugin and clear identity cache.
Fix: Microsoft 365 Apps Won't Open on Windows
Microsoft 365 desktop apps won't open or crash on startup? Fix Word, Excel, and PowerPoint with repair, safe mode, and update steps.