ZArchiver Troubleshooting

Find solutions to common issues with our interactive problem solver

1
Issue Type
2
Specific Problem
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Solution
Select the type of issue you're experiencing:
Installation Issues

Problems with app installation or setup

Performance Problems

App speed, crashes, or memory issues

Compression Issues

Problems with creating or managing archives

Extraction Problems

Difficulties with extracting or opening archives

Select the specific issue:
"App not installed" error

Installation fails with an error message

Installation blocked by security

Security settings preventing installation

Insufficient storage space

Not enough space to install the app

App runs slowly or freezes

Performance issues and lag

App crashes frequently

App closes unexpectedly

High memory usage

App consuming too much memory

Cannot create or save archive

Issues with creating new archives

Password protection not working

Problems with archive encryption

Split archive issues

Problems with large split archives

Cannot extract or open archive

Unable to access archive contents

Corrupted or damaged archive

Archive file is damaged

Password or encryption issues

Problems with encrypted archives

Recommended Solution
Contact Support

Common Issues & Technical Solutions

Detailed technical solutions for frequently reported issues

File Access Issues

Technical cause: Android's Scoped Storage restrictions and SAF limitations.

adb shell pm grant ru.zdevs.zarchiver android.permission.MANAGE_EXTERNAL_STORAGE

Enable "All files access" in Settings > Special app access

Technical cause: Mount point issues and filesystem compatibility.

mount | grep storage

Supported filesystems: FAT32, exFAT (with drivers), ext4 (root)

Technical cause: File visibility filters and .nomedia files.

find . -name ".nomedia" -type f

Check file attributes: ls -la

Performance Issues

Technical cause: Memory management and resource exhaustion.

adb logcat | grep -i "zarchiver"

Monitor memory: dumpsys meminfo ru.zdevs.zarchiver

Technical cause: I/O bottlenecks and CPU throttling.

cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_cur_freq

Compression levels: LZMA2 (best), DEFLATE (balanced), STORE (fastest)

Technical cause: Large file handling and memory fragmentation.

adb shell pm trim-caches 100M

Enable incremental decompression for large files

Archive Issues

Technical cause: Encryption algorithm compatibility.

Supported methods:

  • ZIP: ZipCrypto, AES-256
  • 7Z: AES-256
  • RAR: AES-128

Technical cause: CRC errors and incomplete transfers.

7z t archive.7z

Recovery commands:

zip -FF damaged.zip --out=fixed.zip

Technical cause: Volume sequence and naming conventions.

Naming patterns:

  • .zip: .z01, .z02, ...
  • .7z: .001, .002, ...
  • .rar: .part1.rar, .part2.rar

Comprehensive Troubleshooting Guide

Installation Issues

Unable to Install ZArchiver

  • Check Android version compatibility (Android 4.1+ required)
  • Ensure sufficient storage space (minimum 10MB free)
  • Enable "Install from Unknown Sources" in Settings
  • Clear Play Store cache if installing from there
  • Download the correct architecture version (ARM/ARM64/x86)

Performance Issues

ZArchiver Running Slowly

  • Clear app cache regularly
  • Close background apps to free up memory
  • Use appropriate compression levels for your device
  • Avoid processing multiple large archives simultaneously
  • Consider using lighter compression formats on older devices

Tips & Best Practices

Optimize your ZArchiver experience with these expert recommendations

Performance Optimization
  • Use multi-threaded compression for faster processing on modern devices
  • Choose optimal compression levels based on file types and device capabilities
  • Regularly clear cache and temporary files to maintain performance
Security Guidelines
  • Use strong passwords with a mix of characters for encrypted archives
  • Enable verification during compression to ensure archive integrity
  • Keep backup copies of important archives in separate locations

Format-Specific Troubleshooting

Learn how to resolve issues with specific archive formats

ZIP Format
Common Issues
  • Password Recovery

    ZIP files use legacy encryption which may be less secure

  • Large File Splitting

    FAT32 limitation requires splitting files over 4GB

7Z Format
Common Issues
  • Memory Usage

    Solid compression requires more RAM during extraction

  • Compatibility

    Some older devices may not support all 7z features

RAR Format
Common Issues
  • Recovery Records

    May not repair severely damaged archives

  • Version Differences

    RAR5 archives require updated software version

Advanced Troubleshooting

Resolve complex issues with these expert-level solutions

Root Access Issues
Root operations can be dangerous. Proceed with caution.
  1. Permission Issues

    Verify root access is properly granted through your root management app (Magisk/SuperSU)

  2. SELinux Conflicts

    Check SELinux settings and consider temporarily setting to permissive mode

  3. System Partition Access

    Ensure system partition is mounted as read-write when needed

Data Recovery
Always create backups before attempting recovery operations.
  1. Corrupted Archives

    Use specialized recovery tools for different archive formats

  2. Partial Extractions

    Extract undamaged files individually from corrupted archives

  3. Lost Passwords

    Consider password recovery tools for supported formats