
How to Fix Common App Problems: A Troubleshooting Guide
Frozen, crashing, or won't-log-in apps? Work through these fixes in the right order and most problems resolve in minutes.
Tech troubleshooting that actually works.
Real fixes · No fluff · Updated 2026
Category
Fix error codes, crashes and the bugs that ruin your day.
19 articles

Frozen, crashing, or won't-log-in apps? Work through these fixes in the right order and most problems resolve in minutes.

Stuck on DNS_PROBE_STARTED in Chrome? Flush the DNS cache, swap to a public resolver, and you're usually back online in two minutes.

Instagram links not opening or not tappable? Updating the app and clearing its cache fixes it for most people.

Can't see who viewed your WhatsApp Status? The fix is almost always one toggle: here are four checks for iPhone and Android.

Error 30145-13 stalls your Office install. Here's how to clear disk space, kill the blockers, and finish the install clean.

The everyday tech habits that quietly expose your accounts, money, and files — and the concrete fixes that take ten minutes.

Error 30015-4 blocks your Office install. Repair system files, check the disk, reset Windows Update, and get installed.

Sudden battery drain and a hot phone at idle are red flags. Here's how to confirm spyware and lock an attacker out fast.

Never changing the default password on your router or smart camera leaves the front door open. Here's how to close it.

Stop fighting that stubborn offline status: nine ordered fixes that get a stalled printer back to printing in minutes.

Videos failing with error 224003? Clear the cache, kill the extensions, and update codecs to get playback back.

Error 0x8007003B blocking Windows Update? Run the troubleshooter, reset update components, and repair system files.

L2TP VPN failing at the security layer? Enable MS-CHAP v2 and LCP extensions to get the tunnel up.

"Message Blocking Is Active" usually points to a carrier or settings block, not the recipient. Here's how to clear it.

"SOS Only" means your iPhone lost its carrier signal but can still reach emergency services. Here's how to restore normal service.

Office won't open and throws "Something went wrong"? Here's the exact order to fix it, fastest path first.

Hulu's RUNUNK13 error is a playback communication glitch. A router restart plus a quick re-login clears it most of the time.

The "No active mixer devices available" error almost always means Windows lost your audio driver. Here's how to get sound back.

Reused passwords, open Wi-Fi, ignored permissions: the everyday habits that expose you, and the specific fixes that take minutes.